Search Results — 2000 specimen records retrieved (1640 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1134159  Abies concolor R. W. Lundh 1933-4-26 238 Placer 3 mi s Signal Peak; Tahoe National Forest, Colfax Quadrangle 1828 Comment
  UCD23230  Abies concolor Beth Lowe Corbin 1982-8-19 389 Placer 1 1/2 miles south of The Cedars. 1889 Comment
  UCD43915  Abies concolor C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1281 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  RSA123358  Abies magnifica R. W. Lundh 1933-4-26 241 Placer 3 miles E of Big Ben R.S. Truckee quadrangle. 1982 Comment
  JEPS59454  Acer glabrum Ezra Brainerd and Viola B. Baird 1915-7-15 189 Placer rocky slope above camp (Bear Rock); Sierra Nevada Mts., Bear Rock 1935 Comment
  CAS-BOT-BC331012  Acer glabrum var. glabrum Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  SEINET7893697  Acer glabrum var. glabrum W. D. Billings 1951-7-28 2132 Placer W. side of Sierra Nevada, 1-2 mi. S of The Cedars, American River drainage. 1829 Comment
  CAS-BOT-BC333258  Acer macrophyllum G. E. Poore 1913-4-22 8639 Placer Tahoe Forest, Green HOrn Creek 792 Comment
  SEINET11261906  Acer macrophyllum George Helmkamp, E. A. Helmkamp 2012-5-11 18953 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles N of its junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1041 Comment
  UCD13364  Acer macrophyllum Anne Marie Weyandt 1989-5-20 22 Placer Placer Co., near road cut. T 14N, R 12E, Sect.30, NE 1/4. Elev. 4000 ft. 1219 Comment
  JEPS126315  Achillea millefolium Steve Matson 1997-7-1 9 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  UC565936  Achillea millefolium H. S. Yates 1934-6-29 3882 Placer near Brockway 1920 Comment
  UCD43935  Achillea millefolium C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1301 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC210686  Achnatherum lemmonii C. L. Hitchcock 1940-5-7 6314 Placer Ca. 1 mile west of Baxter Comment
  UC1133125  Achnatherum lemmonii B. Bolt 1934-7-3 68 Placer top of Sawtooth Ridge Tahoe National Forest, Colfax Quadrangle Comment
  UCD22222  Achnatherum lemmonii Rex Palmer 1979-6-19 N 254 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC217984  Achnatherum nelsonii John Thomas Howell 1943-7-19 18580 Placer Summite Valley Comment
  UCD50816  Achnatherum nevadense Collector Unknown Date Unknown 12889 Placer Summit Station. 2121 Comment
  CAS-BOT-BC216874  Achnatherum occidentale John Thomas Howell 1943-7-25 18808 A Placer W side Donner Pass near Norden 2133 Comment
  UCD50937  Achnatherum occidentale John Thomas Howell 1943-7-25 18808 A Placer West side of Donner Pass near Norden. 2133 Comment
  UCD51018  Achnatherum occidentale G. L. Stebbins Jr. Date Unknown 3172 Placer along U.S. Highway no. 40. 1 mile west of Cisco Grove. 1706 Comment
  CAS-BOT-BC210836  Achnatherum occidentale subsp. californicum C. G. Pringle 1882-9-20 s.n. Placer Summit Valley, Sierra Nevada Mts. 2438 Comment
  UC682059  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3172 Placer 1 mi w Cisco Grove (rocky ledges along US Highway 40) 1706 Comment
  UCD51038  Achnatherum occidentale subsp. californicum Beecher Crampton 1955-6-15 2912 Placer 1/2 mile north of Forest Hill. 975 Comment
  UCD51139  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3170 Placer along U.S. Highway no. 40, 1 mile west of Cisco Grove. 1706 Comment
  CDA15640  Achnatherum occidentale subsp. pubescens G. F. Hrusa, J. Glazner 1999-7-18 15193 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CDA15993  Achnatherum occidentale subsp. pubescens G. F. Hrusa, L. Serafini 1993-6-29 11257 Placer Occasional on dry gravelly flats among granite boulders. Open huckleberry oak chaparral within white fir-ponderosa pine forest. S side of French Meadows Reservoir immediately below dam. Perennial bunch-grass. Comment
  SACT000023  Achnatherum stillmanii Michael Baad 1983-7-11 Placer elevation 5200' and continuing towards Black Mountain to the western edge of section 9, T.16N, R.12E 1585.0 Comment
  UC573831  Achnatherum stillmanii B. Bolt 1934-7-17 175 Placer 1/2 mi s Walker Mine; Tahoe National Forest, Truckee Quadrangle Comment
  CAS-BOT-BC218035  Achnatherum stillmanii L. S. Smith 1926-6-3 1880 Placer Sugar Pine range, Forest Hill District, Tahoe Forest 914 Comment
  SEINET6700615 Image available Achyrachaena mollis Beninghoff 1930-4-19 2978 Placer Lincoln Comment
  CAS-BOT-BC227675  Acmispon americanus var. americanus Beecher Crampton 1972-7-26 8836 Placer Carpenter Flat east of Emigrant Gap 1615 Comment
  CHSC73947  Acmispon americanus var. americanus Susi Urie 1998-9-1 98 -195 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CHSC74219  Acmispon americanus var. americanus Susi Urie 1998-9-2 98 -208 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UCD103771  Acmispon americanus var. americanus R. A. Blanchard 1931-5-9 2193 Placer Roseville. Comment
  UCD38489  Acmispon parviflorus Beecher Crampton 1955-6-15 2918 Placer 8 miles west of Forest Hill. Comment
  SBBG89395  Aconitum columbianum M. J. Warnock 1984-8-16 3823 Placer SE of Ski Lodge at Alpine Meadows Ski area Comment
  SCFS1112  Aconitum columbianum E. Krimmel 2013-6-13 Placer NFAm. Stream crossing (split #4). Below Soda Springs road on way to Heath Falls Overlook. Comment
  UC1125854  Aconitum columbianum B. Bolt 1934-8-22 190 Placer Grayhorse Flat Tahoe Nat'l Forest, Truckee Quad., Grayhorse Flat Comment
  UC853409  Aconitum columbianum A. A. Heller 1917-8-13 12882 Placer Summit valley 2118 Comment
  UCD44430  Aconitum columbianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1796 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC391457  Aconitum columbianum subsp. columbianum A. A. Heller 1917-8-13 12882 Placer Summit Valley 2118 Comment
  CAS-BOT-BC391461  Aconitum columbianum subsp. columbianum G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  SD1177  Aconogonon davisiae C. F. Sonne Aug 1897 Placer Tinkers Knob Comment
  CDA6764  Acroptilon repens T. C. Fuller 1964-9-1 12572 Placer Sierra Nevada; North edge of freeway Interstate 80 from Donner Summit, 0.1 mile west of Blue Canyon Road. Comment
  CAS-BOT-BC29287  Adenocaulon bicolor Saichi Kawahara 1969-7-6 1424 Placer Near cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  UCD112618  Adenostoma fasciculatum G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10716 Placer Northern Sierra Nevada Mountains foothills. 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
  SEINET6190154  Adenostoma fasciculatum H. N. Mozingo 1979-9-29 79 -169 Placer 1 mile east of junction of old and new Foresthill Rd. Comment
  UCR218244  Adiantum jordanii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16429 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  SEINET6412851  Adiantum pedatum P. B. Kennedy 1901-8-21 427 Placer Talbots Home Camp, 7 miles from French Meadows Cal. Comment
  SACT000030  Aegilops triuncialis D. Meyer 1983-6-5 Placer Roadside ditch 829.056 Comment
  POM85633  Aesculus californica I. E. Diehl 1902-7-7 42 Placer Colfax. Comment
  UCD83644  Ageratina occidentalis Albert Grigarick 2009-9-10 197 Placer Squaw Creek Resort, near base of Cornice II and Headwall lifts. 2286 Comment
  CAS-BOT-BC29593  Agoseris X dasycarpa Alice Eastwood 1909-1-1 273 Placer Ward Creek Comment
  CAS-BOT-BC21381  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1943-7-22 18694 Placer Summit Valley Comment
  CHSC112160  Agoseris aurantiaca var. aurantiaca Dean Wm. Taylor 2013-8-7 21394 Placer Cold Stream Valley, just above Horseshoe Bend on the railroad mainline; Norden, Ca. 1889 Comment
  CDA15945  Agoseris grandiflora G. F. Hrusa, J. Glazner 1999-7-17 15154 a Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET7067125  Agoseris heterophylla A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
  UCD128613  Agoseris heterophylla T. A. Sears 1971-5-22 s.n. Placer 5.8 miles southwest of Foresthill. 853 Comment
  SJSU4566  Agoseris monticola R. L. Fisher 1959-8-5 Placer Emigrant Meadow 2286 Comment
  RSA790861  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18948 Placer Finning Mill Road, 1.2 mi north of its junction with Forest Hill Road. 1104 Comment
  UCD128657  Agoseris retrorsa A. S. Crafts 1926-5-1 794 Placer American River Canyon. Comment
  CAS-BOT-BC13324  Agoseris retrorsa L. S. Smith 1926-5-25 1835 Placer Tahoe National Forest. Mosquito Ridge below Dollar Camp Comment
  RSA453071  Agrimonia gryposepala Wm. Martin 1971-9-10 20229 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  SACT000051  Agropyron intermedium D. Meyer 1983-7-3 Placer 1234.44 Comment
  SACT000073  Agropyron trachycaulum Michael Baad 1983-7-23 Placer 1767.84 Comment
  SACT000077  Agropyron trachycaulum D. Meyer 1983-8-7 Placer Moist shady area, Louisiana Pacific Private Forest entrance 2000.0 Comment
  JEPS22879  Agrostemma githago Donald E. Vermeer 1959-5-2 13 Placer on U.S. Highway 40, 5 mi w Auburn 274 Comment
  SEINET3271586 Image available Agrostis capillaris George K. Helmkamp, E. A. Helmkamp 2009-7-16 15212 Placer Sierra Nevada Mountains; Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  CAS-BOT-BC127109  Agrostis exarata Margaret Williams 1974-8-8 74 -Pl-9 Placer Sierra Nevada. Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  RSA129619  Agrostis exarata H. S. Yates 1936-9-8 5987 Placer 2 miles SW of Martis PK. 2287 Comment
  RSA795084  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2011-8-26 18171 Placer along Forest Hill Road, 0.4 miles west of Robinson Flat 2041 Comment
  SACT000082  Agrostis exarata D. Meyer 1984-7-8 Placer Very moist streambank, beneath bridge 1290.0 Comment
  SACT000098  Agrostis exarata D. Meyer 1984-6-17 Placer Ponderosa Rd South of the American River. 2.88 km from Foresthill Rd 545.0 Comment
  SACT000103  Agrostis exarata Michael Baad 1983-8-27 Placer Trail from Big Bend Ranger Station to Lower Loch Leven Lake. Fir forest with granite 1767.84 Comment
  SACT000107  Agrostis exarata D. Meyer 1984-7-21 Placer Lake Shore Drive at Villas Rd east of Tahoe City. Moist roadside ditch and pine wooded area. Dense shade. 1927.0 Comment
  SEINET10268403  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2012-1 198895 Placer Northern Sierra Nevada Mountains: junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  UCD52333  Agrostis exarata Hitchcock Date Unknown 12891 Placer Summit Station. 2121 Comment
  UCD36658  Agrostis exarata var. monolepis Beecher Crampton 1955-6-15 2886 Placer Placer County, Bunch Canyon, 3 miles south of U.S. Highway 40, on Forest Hills Road. Comment
  CDA13693  Agrostis gigantea G. F. Hrusa, J. Glazner 1997-8-3 14053 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Common in wet meadow openings. Appears rhizomatous. Comment
  SACT000183  Agrostis idahoensis D. Meyer 1984-9-23 Placer Rocky Creek bed. very wet. 2121.0 Comment
  SACT000187  Agrostis idahoensis Michael Baad 1976-8-7 Placer 2072.0 Comment
  UCD43280  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 648 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD52992  Agrostis idahoensis Lewis S. Rose 1944-7-26 44272 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  UC33985  Agrostis oregonensis C. F. Sonne Aug. 1892 2 Placer <Mts?> above Donner Lake Comment
  CDA15931  Agrostis pallens G. F. Hrusa, J. Glazner 1999-7-17 15182 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. Uncommon rhizomatous grass in +- moist sites surrounded by open to +- closed Pinus jeffreyi, Artemisia tridentata, and Purshia tridentata grading into Abies concolor coniferous forest. 1889 Comment
  UCD53085  Agrostis pallens A. S. Hitchcock Date Unknown 12892 Placer Summit Station, upper limit of the yellow pine belt (P. Jeffreyi). 2121 Comment
  UCR257727  Agrostis pallens George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19523 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  SEINET4341133  Agrostis pallens L. G. McNeal 1965-10-16 s.n. Placer Squaw Valley 1981 Comment
  SACT000148  Agrostis scabra D. Meyer 1984-8-4 Placer meadow, mostly dry with a few springs 1454.0 Comment
  SACT000161  Agrostis scabra D. Meyer 1984-7-29 Placer South of the reservoir near boat ramp, shady area 1600.0 Comment
  UCD34882  Agrostis scabra Beecher Crampton 1964-7-9 7112 Placer Placer County, Emigrant Gap, Hwy. 40. 1615 Comment
  SD247280  Agrostis stolonifera George K. Helmkamp, Elizabeth Helmkamp 2012-9-25 19904 Placer Northern Sierra Nevada Moutains: Blue Canyon Road, 1.1 miles south of tis intersection with I-80, c. 1/2 mile south of Blue Canyon-Nyack airport (Blue Canyon 7.5'Q) 1473 Comment
  SEINET9262074  Agrostis stolonifera George K. Helmkamp, Elizabeth Helmkamp 2012-1 19904 Placer Northern Sierra Nevada Mountains: Blue Canyon Road, 1.1 miles south of its intersection with I-80 about 1/2 miles south of Blue Canyon-Nyack Airport (Blue Canyon 7.5 Q) 1472 Comment
  UCR240952  Agrostis stolonifera George K. Helmkamp, E. A. Helmkamp 2012-9-25 19904 Placer Northern Sierra Nevada Mountains, Blue Canyon Road, 1.1 miles south of its intersection with I-80, c. 1/2 mi. south of Blue Canyon-Nyack Airport 1473 Comment
  SACT000194  Agrostis stolonifera var. major D. Meyer 1983-9-10 Placer near parking lot, moist streambank and meadow. 1879.0 Comment
  SACT000213  Agrostis tenuis D. Meyer 1984-6-23 Placer 9.76 km from I80 Frontage rd. moist shady roadside ditch. oak, pine, manzanita, assoc 978.0 Comment
  SACT000217  Agrostis tenuis D. Meyer 1984-8-17 Placer 667.0 Comment
  CAS-BOT-BC138568  Agrostis variabilis Peter Rubtzoff; Edward W. Colson 1976-7-6 8720 Placer Sierra Nevada. Lake Van Norden. 2063 Comment
  SACT000246  Agrostis variabilis D. Meyer 1983-7-30 Placer Moist areas on both sides of road. 2072.64 Comment
  SACT000249  Agrostis variabilis Michael Baad 1983-8-27 Placer Trail btw Lower Loch Leven Lake and Salmon Lake 2072.64 Comment
  SBBG26336  Agrostis variabilis B. Crampton 1964-7-21 Placer 0.5 mi WNW of Cisco Grove, US Hwy 40 1706 Comment
  UCD75707  Agrostis variabilis Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5157 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, sides of trail. 2124 Comment
  SACT000236  Aira caryophyllea Michael Baad 1983-4-17 Placer Descending to Middle Fork of American River 411.48 Comment
  UCSB34809  Aira caryophyllea Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65 Comment
  UCD137990  Alisma triviale Alan a. Beetle 1941-6-27 2728 Placer 1 mile north of Lincoln. Comment
  CAS-BOT-BC447497  Allium amplectens Belle R. Jackson 1932-6-1 s.n. Placer on road to Iowa Hill, near Colfax Comment
  UC710487  Allium campanulatum Lewis S. Rose 1944-7-13 44106 Placer Chambers Lodge Lake Tahoe, Chambers Lodge 1920 Comment
  UCD18248  Allium campanulatum E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 460 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  CAS-BOT-BC464523  Allium campanulatum C. F. Sonne 1886-7-18 412 Placer open woods on Truckee River Comment
  UCD22042  Allium obtusum Rex Palmer 1979-7-11 N 571 Placer Headwaters basin area of the North Fork of the American River Comment
  POM110008  Allium platycaule Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  JEPS14036  Allium sanbornii var. congdonii Rimo Bacigalupi with A. Hawkes, G. L. Stebbins, D. Zohary, H. Stutz, J. Hunziker, F. Ehrendorfer 1952-7-20 3890 Placer serpentine hill just s Shirttail Public Camp (7 mi e of Iowa Hill); Tahoe National Forest 1188 Comment
  UCD158865  Allium tribracteatum G. Ledyard Stebbins 1970-4-4 6991 Placer Ridge east of Gas Canyon, north of Middle Fork (of the) American River. (Exact location unknown. Coordinates estimated by label maker.) 685 Comment
  RSA0037371  Allophyllum gilioides subsp. gilioides George K. Helmkamp, Mary Alice Barnes 2013-5-3 20504 Placer Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 ) of Forest Hill 422 Comment
  RSA795078  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18184 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UC702547  Allophyllum integrifolium L. S. Rose 1941-7-8 41291 Placer Lake Tahoe, Chambers Lodge (McKinney) 2100 Comment
  CAS-BOT-BC171251  Alnus John H. Thomas; Hazelle A. Thomas 1956-7-21 6195 Placer Vicinity of Donner Pass, about 80 miles NE of Sacramento. Sierra Nevada 2377 Comment
  CAS-BOT-BC171260  Alnus incana subsp. tenuifolia E. R. Blakley 1960-9-3 3820 Placer King's Beach. Lake Tahoe 1905 Comment
  UCD22113  Alnus incana subsp. tenuifolia Beth Lowe Corbin 1982-8-2 166 Placer Onion Creek Campground. South facing slope. Full sun. All along Onion Creek, in mixed conifer forest. Tall shrub 1-2 m tall, with greyish bark. 1841 Comment
  CAS-BOT-BC171439  Alnus rhombifolia Mrs. Marian Campbell 1928-6-28 s.n. Placer Summit Comment
  SACT002783  Alnus tenuifolia Michael Baad 1983-9-3 Placer Collected from Spitz Inn to wester slope of Mount Judah near summit 2286.0 Comment
  UCD21603  Alopecurus pratensis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1268 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  UCD150261  Amaranthus albus James A. Neilson Jr. 1971-9-9 2601 Placer Placer: Tahoe City Nursery (McBride's Nursery). 1905 Comment
  CAS-BOT-BC474750  Amaranthus hybridus James A. Neilson, Jr. 1971-8-7 2309 Placer Heavenly Valley ski lift 2118 Comment
  CAS-BOT-BC13676  Ambrosia artemisiifolia Peter H. Raven 1954-8-27 7957 Placer Penryn Comment
  SJSU11705  Ambrosia artemisiifolia C. T. Osugi 1969-10-4 86 Placer Loomis, 21 miles NE of Sacramento Comment
  UC1505819  Amelanchier alnifolia var. semiintegrifolia K. M. Wiegand 1941-7-13 4890 Placer 2 mi w Lake Tahoe (woods along Ward Creek); Sierra Nevada, Lake Tahoe Basin 1905 Comment
Read comments
May 30 2007
  SEINET11910806  Amelanchier pallida J. H. Nishida 1985-1 767 Placer Homewood, Red Fir Forest 1829 Comment
  CDA39024  Amelanchier utahensis var. utahensis D. G. Kelch 2011-10-3 11 .819 Placer Tahoe City. Granlibakken Resort. Comment
  CHSC107416  Amorpha californica Karen I. Callahan 2010-6-26 17 Placer Northern Sierra Nevada Foothills. Shutamul Preserve of the Placer County Land Trust. North slope above the Bear River, NW of Hwy 49 and S of the confluence of Wolf Creek with Bear River. 335 Comment
  UCR146673  Andropogon glomeratus Beecher Crampton 1960-11-2 5802 Placer Sierra Nevada foothills, 1 mile east ['southeast'] of Auburn; north slope above North Fork of American River along State Highway 49 305 Comment
  CAS-BOT-BC137822  Andropogon glomeratus var. pumilus Beecher Crampton 1960-11-2 5802 Placer 1 mile southeast of Auburn, State Highway 49. Comment
  UC1153926  Andropogon virginicus var. virginicus Beecher Crampton 1957-5-7 3999 Placer US Hwy 40 ca 3 mi e Auburn (2 mi w of Clipper Gap); w of Clipper Gap Comment
  CAS-BOT-BC391749  Anemone G. Earnhart 1961-3-18 4 Placer 2 1/2 mi. east of Auburn, north fork of American River 396 Comment
  UC197219  Antennaria media C. F. Sonne 1897-7-1 Placer east of Mt. Anderson; Sierra Nevada Mountains 2438 Comment
  UCD21686  Antennaria rosea Rex Palmer 1979-7-26 N 889 Placer Headwaters basin area of the North Fork of the American River. Comment
  SACT000332  Anthoxanthum odoratum Josephine Van Ess 1974-8-10 Placer Rest stop area just north of Highway 80. Dried up moist area, 991.0 Comment
  CDA36211  Anthriscus caucalis G. K. Helmkamp, E. A. Helmkamp 2009-5-11 14675 Placer Sierra Nevada Mountains Foothills; Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn. Comment
  UCR176282  Anthriscus caucalis George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10427 B Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR242999  Anthriscus caucalis Richard C. Schulhof 1984-5-19 22 Placer Sierra Nevada Mtns. Foothills, On Road 49, 3 miles south of Auburn [toward Cool] 671 Comment
  POM42882  Antirrhinum leptaleum Marcus E. Jones 1882-7-7 s.n. Placer [No location information provided.] Comment
  UC1618291  Aphanes macrosepala Barbara Ertter with David Thompson 1989-4-9 8185 Placer 8 air mi ne of Auburn (on nw side of Auburn-Forest Hill Road 6.2 mi sw of Spring Garden Road jct); Auburn-Forest Hill Road 609 Comment
  SDSU2587  Apocynum androsaemifolium Bill Sonle 1942-5-27 3308 Placer Colfax Comment
  UCD22107  Apocynum androsaemifolium Beth Lowe Corbin 1982-8-4 208 Placer 1/4 mile W of Onion Creek Campground. 1889 Comment
  UCR121483  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5017 B Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR206595  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2009-7-16 15208 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  RSA463235  Apocynum androsaemifolium subsp. pumilum J. H. Nishida 1985-7-10 772 Placer Homewood. 1829 Comment
  SCFS1024  Apocynum cannabinum E. Krimmel 2014-7-5 Placer Beside seep next to driveway. Comment
  SEINET12282810  Apocynum pumilum Unknown 1968-1 s.n. Placer Yellow Pine Forest, French Meadows, near the Big Trees 1676 Comment
  CAS-BOT-BC397898  Aquilegia formosa Mrs. M. M. Hardy 1893-1-1 s.n. Placer Placer County Comment
  CHSC9518  Aquilegia formosa J. F. Goodwin 1971-7-10 150 Placer Approx 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. SW of Cornelian Bay. 1981 Comment
  UC147572  Aquilegia formosa Harriet A. Walker 1908-6-24 1249 Placer Blue Canyon Comment
  UC853774  Aquilegia formosa Alice Eastwood Jun 15 1912-Jun 19 1912 406 Placer Deer Park Lake Tahoe Region Comment
  UCR191089  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2007-6-12 12322 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UCR231847  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2010-8-11 16756 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  UCR242334  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2010-7-28 16651 Placer Northern Sierra Nevada Mountains, Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill 1384 Comment
  SEINET12092704  Aquilegia formosa J. H. Nishida 1985-1 782 Placer Homewood: Red Fir Forest 1829 Comment
  RSA537721  Arabidopsis thaliana Barbara Ertter 1989-4-9 8196 Placer halfway down road to Lake Clementine (N Fork Lake) NE of Auburn. 305 Comment
Read comments
Nov 19 2015
  UCR270693  Arabis John F. Emmel 1998-7-9 1571 Placer Sierra Nevada Mountains, Donner Pass area, south peak of Mt. Judah 2513 Comment
  RSA0029334  Arabis John F. Emmel 1991-6-25 1184 Placer Sierra Nevada, Lake Tahoe region. Ward Creek. 2024 Comment
  UCR270694  Arabis holboellii John F. Emmel 1998-7-9 1572 Placer Sierra Nevada Mountains, Donner Pass area, south peak of Mt. Judah 2513 Comment
  SEINET2470948  Arabis holboellii var. retrofracta K. Christie 2010-7-8 1889 Placer Lake Tahoe Basin Management Unit (USFS); along FR 16N73, just to the northeast of Painted Rock. 2255 Comment
  CHSC10616  Arceuthobium americanum Lowell Ahart 1972-6-28 131 Placer French Meadows. 1524 Comment
  UC1078826  Arceuthobium americanum Job Kuijt 1957-5-18 1331 Placer ca 10 mi n Tahoe City (on Hwy 89) 1798 Comment
  CAS-BOT-BC409996  Arceuthobium campylopodum Catherine Best 1985-9-15 1151 Placer edge of Sugar Pine Reservoir, about 6 miles N of Foresthill 1158 Comment
  POM120643  Arceuthobium tsugense Marcus E. Jones 1881-07 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC24241  Arctostaphylos mewukka C. Hart Merriam 1911-11-5 s.n. Placer W. slope of Sierra Nevada. Gorge Station, C.P.R.R. 1219 Comment
  CAS-BOT-BC24244  Arctostaphylos mewukka L. R. Abrams 1910-7-1 4992 Placer Near Blue Canyon on Union Pac. R.R. Comment
  CAS-BOT-BC24245  Arctostaphylos mewukka L. R. Abrams 1910-7-1 4992 Placer Near Blue Canyon on Union Pac. R.R. Comment
  CAS-BOT-BC40042  Arctostaphylos nevadensis Mary P. Wells 1980-9-12 s.n. Placer Forest west of Pioneer Way, Tahoe City 1981 Comment
  CAS-BOT-BC40043  Arctostaphylos nevadensis Margaret Williams 1974-8-8 74 -P1-25 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  POM286039  Arctostaphylos nevadensis Lyman Benson 1933-6-26 4539 Placer Cisco, U.S. 40. Sierra Nevada; Bear River watershed. 1829 Comment
  RSA121257  Arctostaphylos nevadensis R. W. Lundh 1933-4-26 237 Placer 3 miles S. Signal Peak. 1829 Comment
  RSA256999  Arctostaphylos nevadensis Gary D. Wallace 1974-12-27 1374 Placer Near Lake Tahoe on the outskirts of Homewood. 1905 Comment
  SBBG5464  Arctostaphylos patula E. R. Blakley 1960-8-30 3795 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  UCD53447  Arctostaphylos patula subsp. patula Gary D. Wallace; R. F. Thorne, L. DeBuhr, A. Tatsuno 1975-4-13 1420 Placer Sierra Nevada; Baxter exit off Hwy. 80 between Alta and Blue Can. 1207 Comment
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Jul 23 2017
  UCD22389  Arctostaphylos uva-ursi Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1301 Placer Gold Run rest area along Hwy 80, just before exit to Dutch Flat. 762 Comment
  UCD52816  Arctostaphylos viscida D. H. Hartmann 1941-10-11 s.n. Placer 4 mi. west of Auburn. Comment
  CAS-BOT-BC47052  Arctostaphylos viscida subsp. viscida Saichi Kawahara 1969-5-25 1018 Placer Top of ridge e. of house, Mel Henderson Ranch, e. bank of Indian Creek, Dutch Flat Quadranle. 1036 Comment
  CAS-BOT-BC47053  Arctostaphylos viscida subsp. viscida Catherine Best 1985-9-15 1145 Placer Growing near Sugar Pine Reservoir about 6 mi. n. of Forest Hill. 1158 Comment
  CDA16975  Arctostaphylos viscida subsp. viscida G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16028 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SBBG28880  Arctostaphylos viscida subsp. viscida C. B. Wolf 1930-10-11 993 Placer near Alta 1127 Comment
  UC120409  Arenaria congesta var. suffrutescens T. S. Brandegee June 1870 Placer Cisco Comment
  UC852282  Arenaria congesta var. suffrutescens Marcus E. Jones 1882-6-28 3278 Placer Emigrant Gap Comment
  CDA16820  Arenaria kingii var. glabrescens G. F. Hrusa, J. Glazner 2001-7-15 15960 Placer Sierra Nevada; Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  JEPS72319  Arenaria kingii var. glabrescens Gladys L. Smith 1972-6-20 3207 Placer about terminus of summit chairlift Ward Peak 2621 Comment
  CAS-BOT-BC137568  Aristida oligantha Catherine Best 1984-8-11 1031 Placer Sierra Nevada. South Campground Camp Far West Reservoir. 91 Comment
  SACT000295  Aristida oligantha Josephine Van Ess 1974-10-30 Placer Springy, grassy area; collected at large pond adjacent to Salt Spring on Ferrari Ranch Comment
  SBBG61533  Aristolochia californica E. Flint 1931-2-21 1297 Placer Auburn ravine 304 Comment
  UCD137814  Aristolochia californica Lynn Gould 1962-3-18 8 Placer along Dry Creek, 5.5 miles west of Roseville. Comment
  RSA35128  Arnica chamissonis subsp. foliosa L. S. Rose 1944-7-25 44250 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  UC892075  Arnica cordifolia Alice Eastwood Jun 15 1912-Jun 19 1912 450 Placer Tahoe City Lake Tahoe Region Comment
  CDA12430  Arnica longifolia G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8559 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UC468975  Arnica longifolia Miss Helen D. Geis Jun 1 1912-Jul 1 1912 43 Placer Deer Park Comment
  JEPS20970  Arnica longifolia C. F. Sonne 1888-8-12 191 Placer Sierra Nevada Mountains Comment
  UC193465  Arnica longifolia C. F. Sonne 1896-7-1 Placer below and around Schafer's Reservoir; Truckee Comment
  UC193595  Arnica longifolia C. F. Sonne 1885-8-23 Placer n of Tinker's Knob ((e slope Anderson's Peak)); Anderson's Peak Comment
  HSC33422  Arnica mollis Thomas W. Nelson, James Nelson 1974-6-17 1372 Placer Dollar Point N of Lake Tahoe City 1585 Comment
  POM31362  Arnica parryi subsp. sonnei Marcus E. Jones 1902-9-1 s.n. Placer Alta Comment
  POM51123  Arnica parryi subsp. sonnei C. F. Sonne 1886-07 s.n. Placer Woods on Truckee River Comment
  RSA531306  Artemisia arbuscula subsp. arbuscula Walter Wisura 1991-8-22 4549 Placer Squaw Valley beyond upper cable car stn. on gentle SE facing slope. Comment
  CDA16795  Artemisia arbuscula subsp. thermopola G. F. Hrusa, J. Glazner 2001-7-15 15934 Placer Sierra Nevada; N side at summit of Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  UCR232647  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2011-9-30 18340 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  JEPS111300  Artemisia ludoviciana Steve Matson 2005-8-7 1454 Placer Pole Creek, Truckee River watershed, southwest of Truckee, north of Squaw Valley. 1.8 km NW of Silver Peak at northeast corner of flatter area near Bradley Hut; 39.2312 N, 120.2615 W; elev. 7,700 ft. 2346 Comment
  UCD21692  Artemisia ludoviciana Rex Palmer 1979-6-20 N 285 Placer Headwaters basin area of the North Fork of the American River Comment
  UC91244  Artemisia norvegica subsp. saxatilis C. F. Sonne 1889-7-29 Placer mts. above Bear Valley; Truckee River, Bear Valley Comment
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Apr 3 2021
  CAS-BOT-BC400748  Asarum lemmonii Marcus E. Jones 1882-6-29 3499 Placer Emigrant Gap Comment
  UCD38846  Asarum lemmonii Beecher Crampton 1958-6-24 4964 Placer Placer County; three miles west of Baxter. Earl Morton Ranch. 1066 Comment
  SCFS5097  Asclepias cordifolia F. Felix, Erica Krimmel 2013-5-19 17 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  SEINET178467  Asclepias cordifolia Unknown 1882-6-30 2802 Placer Emigrant Gap. Comment
  UC22964  Asclepias cordifolia Mrs. M. M. Hardy 1893-1 Placer Comment
  UC1874971  Aspidotis densa Ruth Kirkpatrick 2001-7-16 1062 Placer Junction of Hwy 20 with Sierra Discovery Trail, 3 mi E of Hwy 80. 1421 Comment
  CAS-BOT-BC69577  Aspidotis densa Emily K. Mcpherson 1976-9-19 76- 27 -3 Placer Middle Fork of the American River. 1828 Comment
  UC399499  Aspidotis densa Mrs. Carlotta C. Hall June 1910 Placer n slope of Yuba River Cisco 1676 Comment
  POM9974  Aster alpigenus E. Keyes 1920-8-21 s.n. Placer Lake Tahoe: Mt. Ellis Meadows. Comment
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Jan 1 2016
  CHSC74192  Aster alpigenus var. andersonii Susi Urie 1998-8-29 98 -166 Placer Lake Tahoe Basin Management Unit - National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CDA25020  Aster eatonii J. Glazner 2000-9-2 Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  UCR171348  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2005-10-1 9983 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  UCR171402  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2005-10-1 9970 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  SCFS1043  Asteraceae E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake Comment
  SCFS1127  Asteraceae E. Krimmel 2013-6-13 Placer NFAm. Split stop #2. Comment
  CAS-BOT-BC177512  Astragalus austiniae Sherman Chickering 1982-7-13 s.n. Placer Summit of Tinkers Knob, south of Donner Summit 2743 Comment
  RSA523952  Astragalus gambelianus Barbara J. Ertter, David Thompson 1989-4-8 8160 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  UCD34140  Astragalus pauperculus Beecher Crampton 1977-4-3 9464 Placer Placer County, 3.5 miles north of Auburn, just east of Elder's Corner on Dry Creek Road. Comment
  CAS-BOT-BC198726  Astragalus whitneyi var. whitneyi J. F. Emmel 1968-7-25 100 Placer North slope of Donne Peak 2286 Comment
  UC62493  Athyrium distentifolium var. americanum C. F. Sonne July 1887 Placer above Coldstream Mt Anderson; Sierra Nevada Mts 2438 Comment
  UCD136286  Athyrium filix-femina var. californicum F. A. MacFadden 1934-7-1 s.n. Placer Canyon Creek, Monte Vista Inn. Comment
  CAS-BOT-BC66084  Athyrium filix-femina var. cyclosorum A. A. Heller 1919-7-25 13299 Placer near the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC66085  Athyrium filix-femina var. cyclosorum A. A. Heller 1919-7-25 13299 Placer near the Yuba River below Cisco 1676 Comment
  CHSC10695  Athyrium filix-femina var. cyclosorum Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  CAS-BOT-BC17415  Athysanus pusillus L. S. Smith 1926-4-16 1779 Placer Tahoe Forest. Forest Hill Divide. Road to Sugar Pine. 1097 Comment
  SEINET5340467  Athysanus pusillus M. Demorest 1962-3-15 s.n. Placer Junction of North and Middle Forks of American River, 4 miles from Auburn. 183 Comment
  SACT000359  Avena barbata Michael Baad 1983-4-17 Placer 4 miles South of Interstate 80 on Ponderosa Road 411.48 Comment
  SACT000365  Avena barbata Josephine Van Ess 1976-3-16 Placer sunny roadside 91.5 Comment
  SACT000393  Avena fatua Michael Baad 1983-4-17 Placer descending to Middle Fork of American River; serpentine 411.48 Comment
  SACT000400  Avena fatua D. Meyer 1983-6-18 Placer Shady area 1170.0 Comment
  CHSC26005  Balsamorhiza hookeri James Henrickson 1969-5-25 3405 Placer 102 mi NE of Sacramento, 4 mi SE of Truckee along Hwy 267. 1828 Comment
  CAS-BOT-BC100071  Balsamorhiza macrolepis B. Crampton 1957-5-7 3983 Placer Uncultivated strip along the railroad and US Hwy. 99E, 3.2 miles north of Roseville Comment
  CAS-BOT-BC438815  Barbarea orthoceras George K. Helmkamp; Mary Alice Barnes 2013-4-18 20349 Placer Foothills, northern Sierra Nevada Mountains: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax. 561 Comment
  CHSC72870  Barbarea orthoceras L. P. Janeway; Eric Schroder 1998-7-13 5758 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCD22358  Barbarea orthoceras Rex Palmer 1979-7-12 N 631 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM94785  Barbarea orthoceras Marcus E. Jones 1882-6-28 2621 Placer Emigrant Gap. Comment
  CHSC96575  Bellardia trixago L. P. Janeway 2006-5-10 8594 Placer Sacramento Valley. Northeast side of Hwy 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. 43 Comment
  CAS-BOT-BC75988  Berberis pumila Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run. Comment
  POM350843  Bidens frondosa Wm. Martin 1971-9-10 20205 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  UCD40287  Bidens frondosa Rodney Gale Myatt 1972-6-1 1687 Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  RSA655456  Blennosperma nanum Beecher Crampton 1953-2-11 974 Placer 3/4 mile north of Lincoln. Comment
  CAS-BOT-BC15949  Boechera breweri subsp. breweri Kellogg 1870-6-17 s.n. Placer Sierra Nevada Mountains. Cisco. Comment
  UC136096  Boechera platysperma A. A. Heller 1903-7-20 6975 Placer Donner Pass 2133 Comment
  JEPS118217  Boechera retrofracta Dean W. Taylor 2010-8-10 20994 Placer Martis Peak, near the Nevada Line in the headwaters of Juniper Creek 2508 Comment
  SEINET5323261  Botrychium multifidum M. J. Williams 1970-6-7 s.n. Placer Near Emigrant Gap. 1615 Comment
  RSA466747  Boykinia major Wm. Martin 1971-9-10 20268 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  CAS-BOT-BC417620  Boykinia major Lillian Mott 1975-8-4 51 LM74 Placer French Meadows Reservoir on American River Comment
  SD234516  Boykinia occidentalis G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12191 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River. 800 Comment
  UCR193310  Boykinia occidentalis George K. Helmkamp, E. A. Helmkamp 2007-5-30 12191 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River 800 Comment
  CAS-BOT-BC418415  Boykinia occidentalis Catherine Best 1985-9-15 1144 A Placer Growing at the edge of a creek near Sugar Pine Reservoir about 6 miles north of Forest Hill 1158 Comment
  UCD13303  Boykinia occidentalis Thomas G. Lowrie 1973-6-3 71 Placer Placer CO. Mosquito Ridge road. Comment
  UCD80175  Brassica rapa CNPS SN Foothill Team 2005-4-13 SNFN 0107 c Placer Placer Legacy, located on Didion Ranch in Placer County, east of Spear's Ranch, on the north bank of Coon Creek, approximately 500 meters west of the east boundary of the study area. 143 Comment
  SEINET5340929  Brassica rapa C. Fitz 1959-3-5 s.n. Placer Near Auburn, Hw. 40, profuse in fields and orchards. 396 Comment
  CDA37219  Briza minor CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT000456  Briza minor D. Meyer 1983-5-7 Placer roadside Comment
  SEINET4183117 Image available Briza minor C. L. Hitchcock 1940-5-14 6389 Placer Meier Ranch, circa 6 Miles North of Colfax. 762 Comment
  SEINET4344869  Briza minor A. Tiehm, Hugh Mozingo, Margaret Williams, Emily McPherson 1975-1 621 Placer one mile north of Lincoln Comment
  UC816101  Briza minor C. L. Hitchcock 1940-5-14 6389 Placer ca 6 mi n Colfax; Meier Ranch 762 Comment
  SCFS1101  Brodiaea elegans E. Krimmel 2014-6-26 Placer "Land of the Lost": on trail, 1/3 of the way from Serena Creek to Heath Falls Overlook. Comment
  UCD77127  Brodiaea minor Robert E. Preston 2002-6-14 1817 Placer Auburn, along Dry Creek Rd, ca. 0.8 mi e of its jct with Hwy 49. 440 Comment
  SACT000378  Bromus breviaristatus Michael Baad 1976-8-7 Placer transect from Bear Lake to ridge northest of lake overlooking Cothurin Cove to the southwest 2072.0 Comment
  SACT000515  Bromus carinatus D. Meyer 1983-7-16 Placer Gold Run Road, near Interstate 80 Gold Run exit 975.36 Comment
  UCD74173  Bromus carinatus Jennifer W. Burt 2005-7-13 35 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1928 Comment
  UCD22242  Bromus carinatus var. carinatus Rex Palmer 1979-7-9 N 448 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD59163  Bromus carinatus var. marginatus L. S. Smith 1916-8-3 723 Placer Cold Stream Meadow. 1920 Comment
  UCD59165  Bromus carinatus var. marginatus L. S. Smith 1916-6-27 647 Placer Squaw Valley. Comment
  CHSC73252  Bromus ciliatus L. P. Janeway 1998-8-6 5994 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  SACT000528  Bromus diandrus D. Meyer 1983-4-17 Placer 231.648 Comment
  SACT000532  Bromus diandrus D. Meyer 1983-6-5 Placer on the turnoff, along roadside 487.68 Comment
  CAS-BOT-BC155060  Bromus hordeaceus A. A. Beetle 1941-5-26 2712 Placer Near Cisco. 914 Comment
  RSA0039071  Bromus hordeaceus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20474 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UCD58828  Bromus hordeaceus Al Franklin 1987-5-1 87 -01 Placer 1.6 miles east of I-80 on Foresthill Road; just outside of Auburn. 426 Comment
  SACT000565  Bromus hordeaceus subsp. hordeaceus Josephine Van Ess 1983-6-18 Placer Shady area 1170.0 Comment
  SACT000559  Bromus laevipes Michael Baad 1977-6-8 Placer on the road between Forest Hill and French Meadows, roadside in serpentin-chaparral community Comment
  SACT000597  Bromus laevipes D. Meyer 1984-6-23 Placer 3 km from I80 Frontage Rd 978.0 Comment
  SEINET3817934 Image available Bromus laevipes George K. Helmkamp, E. A. Helmkamp 2012-5-5 18910 Placer Northern Sierra Nevada Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi SE (123degrees) of Clementine Dam on the American River (Auburn 7.5' Q. 396 Comment
  UCD59014  Bromus madritensis Beecher Crampton 1955-6-15 2923 Placer 10 miles west of Forest Hill. Comment
  SACT000691  Bromus marginatus D. Meyer 1983-10-22 Placer from base of Searchlight chairlift to base of Olympic Lady chairlift, downhill ski area, straw added for erosion control 2000.0 Comment
  SACT000705  Bromus marginatus Michael Baad 1977-6-3 Placer 609.6 Comment
  UCR146674  Bromus marginatus Beecher Crampton 1985-6-23 9998 Placer Sierra Nevada Mtns., North Shore Lake Tahoe, Stateline Road 1905 Comment
  SACT000584  Bromus mollis D. Meyer 1983-5-15 Placer moist roadside ditch, next to cultivated field 19.812 Comment
  CDA15649  Bromus orcuttianus G. F. Hrusa, J. Glazner 1999-7-18 15197 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  OBI22383  Bromus orcuttianus Robert F. Hoover 1967-9-7 10858 Placer Antone Meadow Comment
  UCD59067  Bromus orcuttianus L. S. Smith 1916-6 627 Placer Squaw Valley. 2042 Comment
  SACT000726  Bromus rubens Michael Baad 1983-4-17 Placer descending to North Fork of American River 411.48 Comment
  CAS-BOT-BC161586  Bromus sterilis Saichi Kawahara 1969-7-6 1421 Placer West of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  SACT000758  Bromus suksdorfii Michael Baad 1983-8-11 Placer on trail to Mildred Ridge 2133.0 Comment
  UC905446  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer s of Summit Valley (Mount Lincoln); Mount Lincoln 2499 Comment
  UCD22237  Bromus suksdorfii Beth Lowe Corbin 1982-8-19 376 Placer 1 1/4 miles SSW of The Cedars. NE facing slope, 20% incline. Occasional. Mostly sun. In rocky, fine, sandy soil of logged white fir forest. Perennial forming moderately small bunches. 1828 Comment
  UCD59734  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  SACT000764  Bromus tectorum Michael Baad 1983-7-23 Placer along northeast side of highway 267 1767.84 Comment
  SACT000776  Bromus tectorum D. Meyer 1983-6-18 Placer 1170.0 Comment
  CAS-BOT-BC18161  Bulbostylis capillaris G. L. Stebbins 1977-7-9 7766 Placer Along trail from McKinistry Lake to Rubicon River. 1706 Comment
  UCR250179  Calamagrostis breweri George K. Helmkamp, Mary Alice Barnes 2013-5-3 20468 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UC1137093  Calamagrostis canadensis August L. Hormay 1932-7-8 Placer Lake Tahoe, W side; 3 miles [from?] South Tavern Comment
  UCD43160  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 528 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43835  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1201 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CDA37239  Calandrinia ciliata CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  CDA19070  Callitriche fassettii R. Simon 2001-4-13 PDR 062709 Placer Corner of Roseville Parkway and Ornetto, Roseville. 0 Comment
  JEPS113281  Callitriche heterophylla var. bolanderi Lowell Ahart, Brian Williams 2007-4-13 13669 Placer In shallow water, in and around a large vernal pool, just over the fence (west), about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 41 Comment
  CHSC96488  Callitriche marginata Lowell Ahart; Brian Williams 2007-4-13 13641 Placer On damp granite soil, bottom of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UC1479607  Calocedrus decurrens Roy Y. Berg 1965-1-10 RYB 8371 Placer 2 mi w of junction with Hwy. 40 Hwy 20; Emigrant Gap Area Comment
  CDA34203  Calocedrus decurrens D. G. Kelch 2011-5-17 11 .519 Placer Dutch Flat. Comment
  RSA263472  Calochortus albus R. C. Foster 1937-5-8 253 Placer In thicket between Penryn and Auburn on a short side road. Comment
  HSC33454  Calochortus coeruleus Thomas W. Nelson, James Nelson 1974-6-17 1355 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  SD243045  Calochortus leichtlinii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16672 Placer Northern Sierra Nevada Mountains: Soda Springs Road, 0.3 mile north of its junction with Forest Hill Road at Robinson Flat. 2024 Comment
  UCD150569  Calochortus leichtlinii James A. Neilson Jr. 1971-7-7 2204 Placer Tahoe Basin, Lower Ward Creek #102. 1905 Comment
  CAS-BOT-BC487951  Calochortus leichtlinii Alice Eastwood 1909-1-1 252 Placer Lake Tahoe, Deer Park Comment
  CAS-BOT-BC483470  Calochortus minimus R. S. Smith 1926-4-16 1781 Placer Foresthill Divide, Tahoe forest 792 Comment
  CAS-BOT-BC493404  Calochortus monophyllus Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  SEINET12045761  Calochortus monophyllus L. Constance, Morrison, J. L. 1938-1 2172 Placer E edge of Applegate, Sierra Nevada foothills 610 Comment
  SBBG57803  Calochortus venustus M. N. Ackley -Jun-1925 649 Placer New England Mills Comment
  SEINET3245944  Calycadenia multiglandulosa G. K. Helmkamp, E. A. Helmkamp 2010-1 16368 Placer Sierra Nevada Mountain Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax (Colfax 7.5') 616 Comment
  UC1119104  Calycadenia multiglandulosa N. French 1933-6-22 81 Placer n of Blad Rock Mountain; Smartsville Quad. 548 Comment
  JEPS7095  Calycadenia multiglandulosa Rimo Bacigalupi with G. L. Stebbins, Daniel Zohary, Howard Stutz, Alex D. Hawkes, Juan Hunziker, 1952-7-19 3849 Placer about 1 1/2 mi n of (and below) Colfax (on grade along road to Iowa Hill, n slope of the canyon of the North Fork of the American River); North Fork of the American River Comment
  UC88980  Calycadenia multiglandulosa unknown 1892-6-29 Placer near Auburn (Cool Station) Comment
  UC88986  Calycadenia multiglandulosa T. S. Brandegee 1889-7-6 Placer Towles Comment
  POM298237  Calycadenia multiglandulosa subsp. bicolor D. D. Keck, J. Clausen 1932-7-1 1590 Placer 2 miles north of Auburn 427 Comment
  UC1136658  Calyptridium monospermum G. T. Nordstrom 1934-6-18 105 Placer 1/4 mi se of Texas Hill (Tahoe National Forest); Tahoe National Forest 1676 Comment
  UCD100379  Calyptridium monospermum D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon, Tahoe National Forest. 1500 Comment
  UCR47682  Calyptridium monospermum M. -H. Sachet 1957-8-31 301 Placer Along road from Echo Summit to Placerville 1677 Comment
  UCR208545  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2009-5-11 14673 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  UCD13219  Calystegia purpurata Charles Martin 1986-4-27 20 Placer California: Placer County. Folsom Lake, W end of Sierra Dr. in empty lot, near lake. 131 Comment
  CAS-BOT-BC418637  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff; K. Van Zuuk; B. Ertter 2012-6-12 22053 Placer Tahoe National Forest, 7.5 miles NE of Foresthill, on Finning Mill Road 5.6 miles from Foresthill Divide Road 1098 Comment
  CHSC112054  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff, K. Van Zuuk, B. Ertter 2012-6-12 22051 Placer Tahoe National Forest,8.2miles NE of Foresthill on Sugar Pine Road 4.4 miles from Forest Hill Road. 1170 Comment
  UC1965410  Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff, K. Van Zuuk & B. Ertter 2012-6-12 22052 Placer Tahoe National Forest, 7.9 miles NE of Forest Hill, on Sugar Pine Road 3.6 miles from Forest Hill Road, directly opposite Park Flat OHV staging area Comment
  CAS-BOT-BC36997  Camelina microcarpa M. S. Jussel 1928-6-25 s.n. Placer Tahoe City. Comment
  POM147895  Campanula prenanthoides J. B. Feudge 1927-7-18 1774 Placer Emigrant Gap. 1524 Comment
  SD243112  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2010-8-11 16758 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek (Foresthill 7.5'Q) 1082 Comment
  SEINET10463036  Campanula prenanthoides Wiegand 1921-8-26 WIEGAND 2397 Placer Blue Canyon, Donner Pass road 1219 Comment
  SEINET5341002  Capsella bursa-pastoris A. Tiehm, H. Mozingo; M. Williams; E. McPherson 1975-1 619 Placer One mile north of Lincoln. Comment
  UCD41253  Cardamine californica Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1710 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 2.5 road miles from Main St. 1066 Comment
  UCR270279  Cardamine cordifolia John F. Emmel 2002-6-23 1756 Placer Sierra Nevada Mountains, northern Lake Tahoe region, Middle Martis Creek 2195 Comment
  UC855781  Cardamine cordifolia var. lyallii Alice Eastwood 1909-1 243 Placer Deer Park Lake Tahoe Region, Deer Park Comment
  CDA19544  Cardamine hirsuta M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 225 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  UCR171031  Cardamine hirsuta George K. Helmkamp, E. A. Helmkamp 2006-2-24 10069 Placer Northern Sacramento Valley, Wise Road just east of its junction with Calif. Highway 65; c. 1 mi SE of Ewing 47 Comment
  CDA39224  Cardaria pubescens Keith Kohler 2013-8-5 PDR# 310 P06129936 Placer Vicinity of Truckee; Northstar, Village Walk. 0 Comment
  CDA36752  Carduus pycnocephalus D. B. Joley 1976-4-21 9 Placer Loomis; northwest of Sierra College Blvd. and Del Mar Ave. 0 Comment
  CAS-BOT-BC18344  Carex Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  CAS-BOT-BC18345  Carex Peter H. Raven 1956-8-4 9984 Placer Sierra Nevada. Blue Canyon. 1432 Comment
  CDA13670  Carex G. F. Hrusa, J. Glazner 1997-8-3 14030 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC92614  Carex G. F. Hrusa; J. Glazner 1999-7-18 15204 Placer Northern California. Lake Tahoe Region. Slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Adjacent to Squaw Valley Rd. In bottom of depression. UTM: 10S, 43434 N, 07418 E. 1889 Comment
  POM296894  Carex Lyman Benson 1942-7-2 11254 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCR179180  Carex Beth Lowe Corbin 1982-8-3 178 Placer Sierra Nevada Mtns., Headwaters Basin Area of the North Fork American River, Onion Creek Campground 1841 Comment
  JEPS49030  Carex Leland S. Smith 1937-8-12 2236 Placer below Squaw Peak (upper end of basin); Tahoe Forest, Squaw Peak Basin 2286 Comment
  UCD44468  Carex abrupta C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1834 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS49048  Carex abrupta Leland S. Smith 1926-6-10 1904 Placer near McMurray Lake (n of Bowman) 1828 Comment
  UCSB63803  Carex angustata Janeway, L.; Schroder, Eric; Murrell, Katherine 1998-7-15 Placer T14N, R13E, NW1/4 of NW1/4 of sec. 35; Homewood quad.; north side of Blackwood Creek; 1.7 mi. west of LakeTahoe 1938 Comment
  CAS-BOT-BC18025  Carex athrostachya R. F. Hoover 1967-9-5 10839 Placer Carnelian Bay, Lake Tahoe. Comment
  CHSC84746  Carex athrostachya L. P. Janeway; B. Castro 2003-8-23 7967 Placer Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake; 3.1 km south-southwest of Barker Pass. 2106 Comment
  CAS-BOT-BC19071  Carex aurea John Thomas Howell 1938-8-2 14002 Placer 5 miles north of Brockway. Comment
  CAS-BOT-BC19598  Carex brainerdii Lewis S. Rose 1944-7-10 44040 Placer Quail Lake, 3 miles west of Chambers Lodge Lake Tahoe. 2133 Comment
  CAS-BOT-BC34936  Carex densa Alice Eastwood; John Thomas Howell 1937-5-8 4364 Placer Near Rocklin. Comment
  CAS-BOT-BC20592  Carex douglasii Lewis S. Rose 1944-7-10 44060 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  CDA15925  Carex douglasii G. F. Hrusa, J. Glazner 1999-7-17 15176 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. Open to +- closed Pinus jeffreyi, Artemisia tridentata, and Purshia tridentata grading into Abies concolor coniferous forest in vicinity. Short, open rhizomatous colony in dry area. Uncommon here. 1889 Comment
  UC830149  Carex fracta Alice Eastwood Jun 15-19 1912 471 Placer Lake Tahoe Region Comment
  CAS-BOT-BC20681  Carex fracta John Thomas Howell 1938-8-2 14012 Placer Near Calneva. Comment
  SEINET5807682 Image available Carex globosa Marcus E. Jones 1882-1 3307 Placer Emigrant Gap Comment
  CAS-BOT-BC20952  Carex heteroneura John H. Thomas; Hazelle A. Thomas 1956-7-21 6174 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CDA16044  Carex heteroneura G. F. Hrusa, J. Glazner 2000-9-3 15668 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of Crow's Nest ski run. 2164 Comment
  UCD74076  Carex heteroneura Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-28 174 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2218 Comment
  CHSC68059  Carex hoodii James D. Jokerst 1986-7-12 2692 A Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  CHSC73096  Carex hoodii L. P. Janeway 1998-8-6 5988 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UC590011  Carex illota H. S. Yates 1936-8-9 5993 Placer 2 mi sw Martis Peak (n of Agate Bay); Truckee Quadrangle, Lake Tahoe 2286 Comment
  UC826295  Carex integra Lewis S. Rose 1939-6-5 39216 Placer meadow near Emigrant Gap; Bear Valley 1371 Comment
  SEINET10710002  Carex integra Lewis S. Rose 1939-6-5 Rose 39216 Placer Bear Valley, near Emigrant Gamp. 1372 Comment
  SEINET4231775 Image available Carex jonesii K. Chung, Matson, S 2009-1 1074 Placer Lake Tahoe, north side Comment
  UCD43150  Carex lenticularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 518 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43317  Carex lenticularis var. impressa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 685 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44676  Carex lenticularis var. impressa C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2042 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  POM81703  Carex lenticularis var. lipocarpa Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  UCD43080  Carex leporinella C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 448 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC32454  Carex luzulifolia var. strobilantha Amos Arthur Heller 1903-8-17 7187 Placer Above Donner Pass 2286 Comment
  UCD43337  Carex luzulina var. luzulina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 705 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC9338  Carex mariposana Lewis S. Rose 1939-6-5 39218 a Placer Bear Valley, near Emigrant Gap 1371 Comment
  UCD43304  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 672 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD69246  Carex multicaulis D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. Mesic white fir forests. 1500 Comment
  SEINET13390554  Carex multicostata M. J. Williams 1985-7-6 85- 63 -3 Placer Sierra Nevada, Pacific Crest Trail between old and new Donner Summits. Comment
  CHSC74011  Carex nebrascensis Susi Urie 1998-8-18 98 -070 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74302  Carex nebrascensis Susi Urie; Eric Schroder 1998-9-10 98 -329 Placer Lake Tahoe Basin. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CHSC74450  Carex nebrascensis Susi Urie 1998-8-27 98 -121 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CHSC69929  Carex pellita L. P. Janeway; Eric Schroder 1997-7-17 5244 Placer Tahoe National Forest. Meadow on southeast side of Fulda Creek at Forest Service Or-ganizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  CHSC74293  Carex pellita Susi Urie 1998-8-29 98 -163 Placer Lake Tahoe Basin Management Unit, National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC74294  Carex pellita Susi Urie; Eric Schroder 1998-9-11 98 -346 Placer Lake Tahoe Basin Management Unit, National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CAS-BOT-BC118469  Carex praegracilis Henry Nicholas Bolander 1865-4-11 4550 Placer In a meadow near Auburn. Comment
  CAS-BOT-BC117696  Carex simulata John Thomas Howell 1943-7-22 18696 Placer Summit Valley Comment
  CHSC74310  Carex simulata Susi Urie; Eric Schroder 1998-9-10 98 -330 Placer Lake Tahoe Basin Management Unit. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CAS-BOT-BC20684  Carex specifica Emily McPherson; Arnold Tiehm; Margaret Williams 1974-8-8 74 -P1-42 Placer Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  JEPS73188  Carex spectabilis Gladys L. Smith 1972-8-25 3429 Placer Trail descending cirque, north face Granite Chief 2590 Comment
  POM80664  Carex stipata Marcus E. Jones 1882-7-1 3533 Placer Emigrant Gap. Comment
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Sep 7 2010
  UCR179196  Carex straminiformis Rex Palmer 1979-7-9 N- 444 Placer Sierra Nevada Mtns., Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden] 2134 Comment
  CHSC74717  Carex subfusca Susi Urie 1998-8-29 98 -154 Placer Lake Tahoe Basin Management Unit. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC74892  Carex subfusca Susi Urie; Eric Schroder 1998-9-8 98 -302 Placer Lake Tahoe Basin Management Unit. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  JEPS63521  Carex subfusca W. L. Jepson 1934-8-7 16880 Placer bank of Truckee River near Squaw Valley; Truckee River Comment
  SEINET8574130 Image available Carex subfusca Unknown 2010-1 25307 Placer Comment
  UCD149411  Carex subfusca G. Ledyard Stebbins 1976-7-6 7691 Placer Mountain Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC116552  Carex subfusca John Thomas Howell 1938-8-2 14005 Placer 5 mi N of Brockway Comment
  SEINET10847049  Carex teneriformis Lewis S. Rose 1944-7-10 Rose 44058 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  UC1133437  Carex utriculata L. S. Smith 1927-8-11 2201 Placer Squaw Valley Tahoe N. F., Truckee Quadrangle 1889 Comment
  UCD44576  Carex utriculata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1942 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR219486  Carex utriculata Angela Calderaro 2009-7-8 s.n. Placer Sierra Nevada Mtns., Truckee, near Donner Creek, SE of the intersection of Cosdstream Rd. and Deerfield Dr. 1803 Comment
  CAS-BOT-BC115055  Carex vesicaria Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-8-21 1517 Placer Marsh between Sandy Beach and Agate Bay, N end of Lake Tahoe. Comment
  CAS-BOT-BC114926  Carex whitneyi Alice Eastwood 1912-6-15 474 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC114931  Carex whitneyi Lewis Samuel Rose 1940-6-1 40451 Placer Truckee River, 3 mi. NW of Tahoe City. 1889 Comment
  OBI20168  Carex whitneyi David J. Keil 1978-7-23 12945 Placer Cisco Grove exit from I-80, just E of Nevada Co line. So fork of Yuba River 1768 Comment
  UC830173  Carex whitneyi Alice Eastwood Jun 15 1912-Jun 19 1912 474 Placer Deer City Lake Tahoe Region Comment
  SEINET12029476  Castanopsis chrysophylla C. F. Sonne 1884-1 s.n. Placer Comment
  SACT002855  Castanopsis sempervirens Michael Baad 1983-7-1 Placer 3 miles south of Blue Canyon Road junction with I80 on Blue Canyon Road. White fir- ponderosa pine forest. 1584.96 Comment
  UCD21860  Castilleja Rex Palmer 1979-7-10 N 516 Placer Exact location unknown. Comment
  RSA0027944  Castilleja John F. Emmel 1992-7-2 1229 Placer Carson Range ESE of Truckee; ridge 1.0 air mile south and 1.6 air mile east of Martis Peak. 2733 Comment
  SCFS1147  Castilleja E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  UCD14628  Castilleja applegatei subsp. disticha Deanna Lynn Pfleger 1989-5-20 23 Placer California, Placer Co.; 30 miles from Auburn along Mosquito Ridge Road; 707 Comment
  JEPS73654  Castilleja applegatei subsp. pinetorum L. R. Heckard with G. L. Stebbins 1973-6-17 3442 Placer about 7 air mi se Emigrant Gap (on summit of Big Valley Bluff); Big Valley Bluff 1920 Comment
  RSA569210  Castilleja applegatei subsp. pinetorum Bonnie C. Templeton 1931-7-5 1509 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCR208577  Castilleja attenuata George K. Helmkamp, E. A. Helmkamp 2009-5-7 14623 Placer Sierra Nevada Mountains Foothills, Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir 402 Comment
  SEINET13773067  Castilleja exserta D. F. Erskine 1941-4-26 5 Placer 2 miles E of Roseville. 76 Comment
  UCD15155  Castilleja foliolosa Phyllis Adams 1982-5-1 25 Placer in the American River Canyon along Old Foresthill Road; 396 Comment
  UC886498  Castilleja lacera C. L. Hitchcock 1940-5-14 6387 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  SD237608  Castilleja lineariloba G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15915 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, 5.6 miles south of its junction with CA-49 at Pilot Hill, 0.65 mile north of the American River crossing (Pilot Hill 7.5'Q) 199 Comment
  UC198553  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC198554  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  SD114371  Castilleja pilosa Darley F. Howe 1971-7-2 4759 Placer Near Lake Tahoe, El Dorado National Forest 1890 Comment
  UCD162555  Castilleja pilosa Steve Matson 1998-6-14 242 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 300 meters north of Highway 267, west of vernal pools in old gravel depression. 1780 Comment
  JEPS89136  Castilleja pruinosa Rimo Bacigalupi with G. L. Stebbins, Alex D. Hawkes, Juan Hunsiker, Daniel Zohary et al. 1952-7-20 3886 Placer 6 mi e Iowa Hill (just s of Shirttail Creek, close to headwaters); Tahoe National Forest 1188 Comment
  UCR172648  Castilleja pruinosa George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10199 Placer Northern Sierra Nevada Foothills, Forest Hill Road, 2.5 mi east of its junction with Calif. Hwy 49. North side of the middle fork of the American River, NE of Auburn 274 Comment
  CDA15979  Castilleja tenuis G. F. Hrusa, J. Glazner 1999-7-17 15161 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC73999  Castilleja tenuis Susi Urie 1998-9-1 98 179 A Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CHSC74271  Castilleja tenuis Susi Urie 1998-8-29 98 -165 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  SEINET14173337  Castilleja tenuis F. H. Hillman 1894-1 s.n. Placer Between Truckee and Lake Tahoe. Comment
  UC1071509  Ceanothus N. French 1933-5-16 120 Placer 3 mi se Colfax; Colfax Quad. Comment
  SEINET5339319  Ceanothus W. D. Billings 1940-5-18 1307 Placer Opening in undistrubed pine woods. Gold run. Comment
  UC1281387  Ceanothus X flexilis G. Townsley, H. E. McMinn 1941-8-23 5367 Placer on road to Dutch Flat 1/8 mi n Mote Vista; n of Mote Vista Comment
  UCD150786  Ceanothus arcuatus J. Bisbee 2013-5-25 565 Placer Soda Springs Road; 1 mile west of where pavement ends; on south side of road. 2040 Comment
  CAS-BOT-BC47858  Ceanothus cordulatus Alice Eastwood 1909-1-1 s.n. Placer Sunnyside Comment
  CAS-BOT-BC48711  Ceanothus cordulatus Elizabeth Parsons Hawver s.n. Placer Lake Tahoe Region Comment
  CAS-BOT-BC48715  Ceanothus cordulatus J. Moffitt 1934-6-12 101 Placer Lambert's Spring, Lake Tahoe Comment
  JEPS42224  Ceanothus cordulatus W. L. Jepson 1918-7-30 7725 Placer Tahoe Lake Tahoe 1920 Comment
  POM263653  Ceanothus cordulatus Lewis S. Ross 1941-7-14 41315 Placer Chambers lodge (McKinney), Lake Tahoe. Comment
  SACT002892  Ceanothus cordulatus Josephine Van Ess 1980-7-23 Placer Grove of Sierra Redwoods. Collected along nature trail in park. Stiffly branched shrub open area in forest. Comment
  UC1070954  Ceanothus cordulatus N. French 1933-9-14 98 Placer Greek Store Colfax quad, Tahoe National Forest 1676 Comment
  UC18249  Ceanothus cordulatus J. Burtt Davy Jun 25 1897-Jun 30 1897 3248 Placer near Tahoe (along Truckee River); Truckee River Basin Comment
  UCD22205  Ceanothus cordulatus Rex Palmer 1979-5-26 N 14 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  UCD36708  Ceanothus cordulatus Beecher Crampton 1955-7-13 2991 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCR120250  Ceanothus cordulatus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5039 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SACT002906  Ceanothus cuneatus Michael Baad 1983-7-15 Placer 5.9 miles northeast on nevada Point Road from junction with road from Ramsey Crossing to Devils Peak. Comment
  SEINET5339255  Ceanothus cuneatus P. A. Lehenbauer 1931-4-22 1548 Placer Above Carnelian Bay, Lake Tahoe Comment
  SEINET5339275  Ceanothus cuneatus J. Ridley 1959-3-29 1 Placer 3 mi south of Auburn on Hwy 49 442 Comment
  UCD112105  Ceanothus cuneatus var. cuneatus G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11714 Placer Northern Sierra Nevada Mountains; Forest Hill Road at the junction with unnamed road to Lake Clementine. 457 Comment
  UCD22203  Ceanothus fresnensis Rex Palmer 1979-6-9 N 143 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  CAS-BOT-BC50756  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  SACT002925  Ceanothus integerrimus Michael Baad 1977-6-1 Placer North of Iowa Hill Ditch 1341.12 Comment
  SBBG51061  Ceanothus integerrimus N. R. Zabriskie 1973-4-7 667 Placer Emigrant Gap,off Interstate 80 W of Donner Pass Comment
  UC1070730  Ceanothus integerrimus G. T. Nordstrom 1934-6-19 113 Placer .5 mi ne Mouth of Monumental Creek; Colfax quad., Tahoe Nat. For. 1463 Comment
  UC112945  Ceanothus integerrimus Katharine Brandegee 1908-7-17 Placer Blue Canyon Comment
  UC750675  Ceanothus integerrimus Susie M. Peers 1946-5-4 Placer near Forest Hill Shirttail Canyon Comment
  UCR190845  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2007-5-23 12066 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  CAS-BOT-BC50761  Ceanothus integerrimus Eleanor C. Still 1964-5-14 s.n. Placer Near the American River Comment
  CAS-BOT-BC51037  Ceanothus integerrimus var. macrothyrsus A. A. Heller 1917-6-16 12679 Placer near Dutch Flat 914 Comment
  CAS-BOT-BC51153  Ceanothus lemmonii J. Walker 1941-5-11 105 Placer 35 miles past Auburn on Highway 40 on road to Lake Tahoe Comment
  OBI10314  Ceanothus prostratus H. E. McMinn, G. Townsley 1941-8-23 5368 Placer 1/8 mi N of Monte Vista on road to Dutch Flat in old orchard Comment
  SEINET192004  Ceanothus prostratus C. L. Hitchcock 1940-5-7 6330 Placer Ca. one mile west of Baxter Comment
  UCD112659  Ceanothus prostratus R. Prag 1973-6-26 s.n. Placer Ward Valley. Comment
  UCR191062  Ceanothus prostratus George K. Helmkamp, E. A. Helmkamp 2007-5-23 12054 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 11.1 miles northeast of Foresthill 1463 Comment
  UCD124138  Ceanothus tomentosus Ellen Dean; Marcel Rejmanek 2012-10-9 7512 Placer Along Mosquito Ridge Road, ca. five road mile E of junction with Foresthill Road, S side of Mosquito Ridge Road by firebreak. Comment
  RSA6523  Ceanothus velutinus Jens Clausen 1932-9-15 48 Placer 2 miles W of Tahoe Tavern on the Truckee road. 1860 Comment
  SEINET2470969  Ceanothus velutinus K. Christie 2010-7-22 1910 Placer Lake Tahoe Basin Management Unit (USFS); ca. 1.0 mi. southeast of Martis Peak. 2407 Comment
  CAS-BOT-BC63181  Ceanothus velutinus var. velutinus Brandegee 1889-7-1 1 Placer Donner. Comment
  CAS-BOT-BC277036  Centaurea maculosa T. C. Fuller 1963-8-28 11177 Placer N. side of Hwy 40 freeway to Truckee, 0.5 mi. e. of Hampshire Rocks Comment
  UCR232642  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2011-9-30 18345 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  CHSC85696  Centaurea stoebe subsp. micranthos Breckenridge 1998-7-22 389790 Placer Sierra Nevada. Around parking lots, condos, and trails at Silver Strike and Northstar Drive near Truckee. Comment
  UCR233185B  Centaurium muehlenbergii George K. Helmkamp, E. A. Helmkamp 2011-7-9 17672 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  RSA703907  Centaurium muehlenbergii C. Rose Broome 1978-8-3 2313 Placer Town of Rough and Ready, next to Penn Valley, 29.5 miles east of Marysville on Ca Highway 20; eight miles west of Grass Valley. Comment
  CAS-BOT-BC288618  Centromadia fitchii J. Clausen 1932-9-16 650 Placer 2.5 miles from Auburn on the Sacramento Rd Comment
  CDA42832  Cephalanthus occidentalis var. californicus G. F. Hrusa, M. Pitcairn 2015-7-16 18655 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 231 Comment
  UCD150310  Cerastium glomeratum James A. Neilson Jr. 1971-9-9 2602 Placer Tahoe Basin, Tahoe City, McBride's nursery (Tahoe Tree Company.) 1889 Comment
  CAS-BOT-BC388353  Cerastium glomeratum Alice Eastwood 1909-1-1 203 Placer Lake Tahoe Region. Sunnyside Comment
  UC1119684  Chaenactis douglasii var. douglasii N. French 1934-6-22 440 Placer 1/2 mi w of Lake Van Norden; Truckee 2286 Comment
  UCR207126  Chaenactis douglasii var. douglasii George K. Helmkamp, E. A. Helmkamp 2009-7-16 15215 Placer Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat 2020 Comment
  UCD41263  Chaenactis glabriuscula Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1720 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  CAS-BOT-BC140757  Chamaebatia foliolosa Noel F. Sommer 1954-5-19 97 Placer .6 mile north of U.S. Highway 40 on Dutch Flat road 1066 Comment
  CAS-BOT-BC141724  Chamaebatia foliolosa C. L. Hitchcock 1940-5-7 6323 Placer ca. 1 miles west of Baxter Comment
  CAS-BOT-BC141729  Chamaebatia foliolosa Ella Dales Cantelow 1937-7-11 4295 Placer Alta Comment
  RSA3007  Chamaebatia foliolosa Carl B. Wolf 1931-9-11 2423 Placer 1 mile W of Gold Run, W slope Sierra Nevada. 915 Comment
  UC114137  Chamaebatia foliolosa T. S. Brandegee Sept. 1888 Placer Blue Canyon Comment
  UC615243  Chamaebatia foliolosa Beryl O. Schreiber 1932-9-11 758 Placer near Colfax Comment
  UCR246506  Chamaebatia foliolosa Gregory Brickner 1984-5-12 027 Placer off Forest Hill Road 5 mi east of Auburn 439 Comment
  JEPS102536  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2001-10-10 9347 Placer French Meadows Reservoir, near boat or trail access area on northwest side of reservoir, about 1 mile southwest of bridge across Middle Fork of American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  SBBG60190  Chamerion angustifolium unknown 1895-1 Placer American River Comment
  CAS-BOT-BC166013  Chamerion angustifolium subsp. circumvagum John Thomas Howell 1943-7-25 18803 Placer West side of Donner Pass near Norden 2133 Comment
  UC1122506  Chamerion angustifolium subsp. circumvagum G. F. Burks 1934-9-14 41 Placer Truckee River Tahoe National Forest, Truckee Quadrangle Comment
  CHSC32988  Cheilanthes gracillima Paula J. Minton 1980-4-5 1 Placer 1/2 mi n of North Fork Dam of the North Fork of the American River, Auburn. 472 Comment
  RSA685843  Cheilanthes gracillima Fay A. MacFadden 1934-3-30 12534 Placer Placer County: Dutch Flat. Comment
  SEINET3153750  Cheilanthes gracillima G. B. Grant 1906-7-15 7143 Placer About Lake Tahoe 2438 Comment
  UC73896  Chenopodium pumilio J. Burtt Davy Jun 25 1897-Jun 30 1897 3176 Placer Truckee River Basin Comment
  UCD75691  Chimaphila menziesii Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5140 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  CAS-BOT-BC451417  Chimaphila menziesii Belle R. Jackson 1927-6-1 s.n. Placer Dutch Flat Comment
  UCR215903  Chlorogalum pomeridianum George K. Helmkamp, Amy Barnes 2009-7-12 15172 Placer Sierra Nevada Mountains Foothills, along Foresthill Road at the northeast end of the city of Foresthill 985 Comment
  UCD130412  Chondrilla juncea G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12965 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road 15 miles east of Foresthill. 832 Comment
  UCD19109  Chondrilla juncea A. M. Shapiro 1987-6-6 s.n. Placer city of Auburn, Hwy 49 north of Elm St., in restaurant parking lot (Katrina's Kitchen). 365 Comment
  CDA37258  Chondrilla juncea CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  RSA201475  Chondrilla juncea J. T. Howell 1966-7-29 42033 Placer 1 mile NE of Loomis 122 Comment
  SEINET13331376 Image available Chondrilla juncea P. C. Martinelli, A. L. Rivers, R. Uriarte 1965-10-29 s.n. Placer Horseshoe Bar Road, Folsom Lake Comment
  UCD21705  Chrysopsis breweri Rex Palmer Date Unknown N 891 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET11860557  Chrysothamnus nauseosus subsp. albicaulis C. F. Sonne 1884-9-14 s.n. Placer road to Tahoe Comment
  UCD130486  Cichorium intybus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12949 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  CHSC11105  Circaea alpina subsp. pacifica Lowell Ahart 1969-7-30 Placer Near Ahart Camp, French Meadows. 1524 Comment
  UC128206  Circaea alpina subsp. pacifica Miss Harriet A. Walker 1908-7-27 1454 Placer near Iron Spring Cisco Comment
  JEPS59281  Cirsium andersonii W. L. Jepson 1918-8-20 8076 Placer Lake Tahoe, Tahoe 1905 Comment
  UC30772  Cirsium andersonii Miss M. E. Parsons 1896-8-1 Placer Deer Park Inn, Lake Tahoe Comment
  CAS-BOT-BC289613  Cirsium andersonii Peter Rubtzoff 1976-9-19 8870 Placer Lake Van Norden, Sierra Nevada 2063 Comment
  UCD130667  Cirsium occidentale var. venustum D. H. Hartmann 1941-6-8 s.n. Placer near Auburn, along U.S. #40. 914 Comment
  CAS-BOT-BC228885  Cistanthe umbellata F. Almeda 1993-7-24 7279 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  CAS-BOT-BC162649  Clarkia John Thomas Howell; Gordon H. True 1971-5-26 47625 Placer Northern limits of Lincoln 48 Comment
  UCR208555  Clarkia affinis George K. Helmkamp, E. A. Helmkamp 2009-5-11 14670 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  POM260292  Clarkia arcuata C. L. Hitchcock 1940-5-15 6410 Placer 6 miles N of Colfax Comment
  UCD41254  Clarkia arcuata Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1711 Placer East of Hwy 80 and town of Colfax, west side of the North Fork of the American River canyon. Along Iowa Hil Road, about 2.3 road miles east of junction with Canyon Way in town of Colfax. By sign that says Mineral Bar Area. 457 Comment
  UC567140  Clarkia biloba C. R. Clar 1933-5-6 115 Placer near Newcastle; Smartsville Quadrangle 182 Comment
  UCD72503  Clarkia biloba subsp. biloba Ellen Dean 2006-5-22 3141 Placer Above north fork of the American River, east of Foresthill Bridge, along Upper Lake Clementine Road nearing the bottom (river end) of the road. 308 Comment
  CAS-BOT-BC172408  Clarkia biloba subsp. brandegeeae A. A. Heller 1917-6-19 12746 Placer 4 miles east of Colfax Comment
  UCD104350  Clarkia biloba subsp. brandegeeae G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10708 Placer Northern Sierra Nevada Mountains foothills. 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
  UCD127936  Clarkia biloba subsp. brandegeeae Belinda Lo; Jade Paget-Seekins 2011-6-11 s.n. Placer One mile as the crow flies northwest of Pennsylvania Point in the Ralston area of the Eldorado National Forest, between roads 14N25 and 14N25KA. 755 Comment
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May 6 2013
  UCD147101  Clarkia biloba subsp. brandegeeae Chuck Hughes 2013-6-6 385 Placer Near margin of Camp Far West Reservoir. 6 Comment
  UCD104459  Clarkia cylindrica J. F. Addicott 1965-5-15 82 Placer 2 miles from Colfax on road to Owl Hill. 548 Comment
  UC2046128  Clarkia cylindrica subsp. cylindrica Neal Kramer 2015-6-12 2147 Placer Rincon Canyon, Eldorado NF Comment
  UCD104056  Clarkia dudleyana C. Condit 1933-7-15 s.n. Placer County Unknown: Grant's Park. Comment
  UCD71255  Clarkia purpurea Cathleen Chapton 1983-5-28 35 Placer American River Canyon. 213 Comment
  SBBG29106  Clarkia purpurea subsp. purpurea L. Constance 1941-5-28 2821 Placer 2 mi N of Lincoln 60 Comment
  UCR194947  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2007-5-18 12037 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  SEINET3260810 Image available Clarkia rhomboidea Marcus E. Jones 1882-6-30 2719 Placer Emigrant Gap. Comment
  UC930715  Clarkia rhomboidea Marcus E. Jones, A. M. 1882-6-30 2719 Placer Emigrant Gap Comment
  CAS-BOT-BC229138  Claytonia parviflora subsp. grandiflora Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4013 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  RSA791745  Claytonia parviflora subsp. grandiflora George K. Helmkamp, E. A. Helmkamp 2012-5-5 18919 Placer Northern Sierra Nevada Mountains Foothills: Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air miles southest (123 degrees) of Clementine Dam on the American River. 396 Comment
  UCD14298  Claytonia parviflora subsp. parviflora Dan Cederquist 1984-5-22 14 Placer along the south side of Rollins Lake; Comment
  UCR250649  Claytonia perfoliata subsp. mexicana George K. Helmkamp, Mary Alice Barnes 2013-4-18 20375 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UCD22157  Claytonia rubra subsp. rubra Rex Palmer 1979-6-19 N 215 Placer Headwaters Basin Area of the North Fork of the American River. Comment
  UCD95617  Clematis lasiantha M. H. Mills 1996-4-12 139 Placer Placer County, 5830 Walden Lane, Loomis. 180 Comment
  HSC95812  Collinsia heterophylla Kevin Thomas 2004-4-10 22 Placer Newcastle Comment
  UC1551949  Collinsia parviflora Aaron Liston 1988-3-14 695 Placer 3.5 mi n of Auburn (Dry Creek Road); Dry Creek Road 450 Comment
  UCD123672  Collinsia sparsiflora var. sparsiflora J. J. Geibel 1965-5-19 13 Placer on Dollarhide Road, 3.5 miles east of Pope Valley. 670 Comment
  JEPS7270  Collinsia torreyi var. brevicarinata L. S. Smith 1925-6-23 1645 Placer Blackwood Canyon; Tahoe Forest 1981 Comment
  SEINET13406843  Collinsia torreyi var. torreyi P. A. Lehenbauer, R. E. L. 1922-7-9 784 Placer Lake Tahoe, between Homewood and McKinny's [Resort]. Comment
  UC373268  Collinsia torreyi var. torreyi Marcus E. Jones 1882-6-18 3277 Placer Emigrant Gap Comment
  UCD21869  Collinsia torreyi var. wrightii Rex Palmer 1979-6-9 N 167 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  UCD21872  Collinsia torreyi var. wrightii Rex Palmer 1979-6-21 N 370 Placer Headwaters basin area of the North Fork of the American River Comment
  POM75740  Collomia grandiflora Marcus E. Jones 1882-07 10174 Placer [Unspecified] Comment
  UC1980585  Collomia grandiflora C. Rose Broome, Crissie Cagle 1978-8-2 2311 Placer Laing Rd. (frontage rd. to Rancho Sierra Inn) just S of I-80 at Emigrant Gap exit. Mountain meadow. Comment
  UC1123648  Collomia heterophylla N. French 1934-6-15 413 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  UCD41265  Collomia heterophylla Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1722 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  UCR257639  Conyza canadensis George K. Helmkamp, Elizabeth Helmkamp 2012-10-13 20017 Placer Sacramento Valley, Granite Bay, Folsom Lake; Park Road 1.8 miles north of the east end of Douglas Blvd. 146 Comment
  UCD15607  Corallorhiza maculata Lisa Montany 1985-5-18 25 Placer Mosquito Ridge Rd, 18.6 miles west of Forest Hill Rd. Comment
  UCD22065  Corallorhiza maculata Beth Lowe Corbin 1982-8-10 294 Placer 3/4 mile WSW of Onion Creek Campground. SE facing slope, 10% incline. Mostly shade. Uncommon. In deep duff of white fir forest. Plant reddish purple. Flower upper petal yellowish, lower white with red spots. 2023 Comment
  UCD22692  Corallorhiza maculata Teresa Do 1990-5-19 15 Placer Butterfly Valley. 1097 Comment
  UCD22064  Corallorhiza striata Beth Lowe Corbin 1982-8-20 398 Placer 1 mile north of Onion Creek Campground. NW facing slope, 20% incline. Rare. Mostly shade. In deep conifer duff of red fir forest. Plant reddish purple dried, light with dark lines. 2103 Comment
  RSA756853  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-7-16 15203 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  JEPS71351  Cordylanthus tenuis subsp. tenuis L. R. Heckard, R. Bacigalupi and T. I. Chuang 1973-7-28 3453 Placer just e Alta Lake 1158 Comment
  UCR146914  Cornus glabrata Beecher Crampton 1955-6-15 2866 Placer Sierra Nevada Mountains, head of Bunch Canyon, 3.5 mi. east of Weimar on road to Foresthill, 0.5 mi. south of US Hwy 40 671 Comment
  UCD15007  Cornus nuttallii Jonathan M. Irvine 1977-5-30 701 Placer 14.4 miles east of Forest Hills, along Mosquito Ridge Road; 1011 Comment
  CAS-BOT-BC212144  Cornus sericea Carl B. Wolf 1930-10-10 987 Placer 1 mile est of Cisco, Sierra Nevada 1828 Comment
  UC106045  Cornus sessilis T. Brandegee Sept. 1888 Placer Blue Canyon Comment
  UCD150476  Cornus sessilis James A. Neilson Jr. 1970-7-9 1493 Placer Tahoe Basin, near mouth of Ward Creek. 1905 Comment
  CDA39023  Coronilla varia D. G. Kelch 2011-10-3 11 .818 Placer Tahoe City. Granlibakken Resort. Comment
  CHSC40074  Corydalis caseana subsp. caseana C. F. Sonne 1895-7-1 Placer Sierra Nevada Mountains. Ravine on Truckee River. Comment
  JEPS99471  Corydalis caseana subsp. caseana Steve Matson 2002-7-28 635 Placer Antone Meadows NW of Tahoe City (Burton Creek, 3/4 mi W of dam); Tahoe Basin 2072 Comment
  UCD124140  Corylus cornuta subsp. californica Ellen Dean; Davis Botanical Society members 2012-10-13 7514 Placer Along Mosquito Ridge Road, ca. fourteen road miles E of junction with Foresthill Road. Comment
  UCD160953  Crepis G. Ledyard Stebbins 1978-5-29 78104 Placer El Dorado National Forest. Little Crater above Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC290351  Crepis acuminata Geo. B. Grant 1906-7-15 7020 Placer Tahoe Tavern, Lake Tahoe Comment
  CDA15970  Crepis modocensis G. F. Hrusa, J. Glazner 1999-7-17 15120 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS111217  Crepis occidentalis Steve Matson 2005-6-15 1282 Placer Martis Valley, ca 3 miles southeast of Truckee, north of 267, 500 meters west of Martis Creek; 39.3038 N, 120.1254 W; Elevation 5840 ft. 1780 Comment
  CAS-BOT-BC290736  Crepis occidentalis subsp. conjuncta Marcus E. Jones 1882-6-30 2784 Placer Emigrant Gap Comment
  SEINET9336239  Croton setiger Unknown 2010-6-26 16370 Placer Sierra Nevada Mountains Foothills Comment
  JEPS126400  Cryptantha affinis Steve Matson 1998-6-23 300 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension of North Ave. at junction with west fork of Snow Creek. Comment
  SEINET9343024  Cryptantha affinis George Hrusa, Glazner, J. 1999-7-17 15184 c Placer Martis Valley, off Hwy 267, S of Truckee. Abies concolor forest with rock outcrops. Disturbed in some places. More mesic than other areas dominated by Pinus jeffreyi. Occasional in +- formerly disturbed areas. Comment
  UC1063924  Cryptantha affinis G. T. Nordstrom 1934-6-19 110 Placer 0.5 mi ne mouth of Monumental Creek; Tahoe National Forest, Colfax Quad. 1371 Comment
  RSA755334  Cryptantha flaccida George K. Helmkamp, E. Helmkamp 2009-4-22 14561 Placer Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  JEPS70803  Cryptantha humilis C. F. Sonne 1886-1 391 Placer between Truckee and Tahoe (mountains on Truckee River); Sierra Nevada, Truckee River Comment
  CAS-BOT-BC218774  Cryptantha humilis D. S. Smith 1928-6-27 2419 Placer Tahoe [National] Forest. Above Deer Park on ridge 2286 Comment
  JEPS126397  Cryptantha simulans Steve Matson 1997-8-17 810 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course along trails. Comment
  UC1178526  Cryptantha simulans Malcolm A. Nobs 1950-9-24 Placer e slopes Squaw Peak 1828 Comment
  UCD21636  Cymopterus terebinthinus Rex Palmer 1979-5-26 N 23 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  SBBG115820  Cynodon dactylon B. Crampton 1965-9-13 7493 Placer Gold Run, Interstate 80 975 Comment
  UCR253813  Cynodon dactylon George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20102 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  SACT000857  Cynosurus echinatus D. Meyer 1984-6-3 Placer 585.0 Comment
  CAS-BOT-BC114550  Cyperus eragrostis Brighton C. Cain 1925-8-15 4 Placer 2 miles south of Auburn at Wise Power House. Comment
  UCR250602  Cyperus eragrostis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20497 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  UCR253809  Cyperus eragrostis George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20106 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  RSA92351  Cyperus niger var. capitatus Beecher Crampton 1952-11-9 922 Placer About 1.5 miles south of Meadow Vista, 6 miles east of Auburn Comment
  CHSC74016  Cyperus squarrosus Susi Urie 1998-8-17 98 -053 Placer Lake Tahoe Basin Management Unit. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD75757  Cystopteris fragilis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5227 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  CAS-BOT-BC198183  Cytisus scoparius Saichi Kawaha 1969-5-25 1028 Placer Near B.M. 2393, Nigger George Ravine, Colfax-Iowa Hill Road 729 Comment
  UCD39019  Cytisus scoparius Beecher Crampton 1960-11-2 5792 Placer 2 miles east of Bowman, along US Hwy. 40. Comment
  SACT000871  Dactylis glomerata D. Meyer 1983-6-25 Placer 1636.0 Comment
  SEINET175768 Image available Dactylis glomerata M. E. Jones 1882-5-27 3283 Placer Emigrant Gap Comment
  CAS-BOT-BC189859  Danthonia californica Beecher Crampton 1956-7-17 3731 Placer 1.3 mile north of Blue Canyon. 1524 Comment
  UCD60962  Danthonia californica var. americana Beecher Crampton 1964-7-21 7118 Placer 1/2 mile WNW of Cisco Grove, U.S. Hwy. 40. 1706 Comment
  UC710525  Danthonia unispicata John Thomas Howell 1943-7-22 18699 Placer Summit Valley Comment
  UCD43386  Danthonia unispicata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 754 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD61351  Danthonia unispicata Beecher Crampton 1964-7-21 7116 Placer 1/2 mile WNW of Cisco Grove, U.S. Hwy. 40. 1706 Comment
  CAS-BOT-BC420642  Darmera peltata Brandegee Unspecified s.n. Placer Blue Canon Comment
  SEINET11111226  Daucus carota A. Ashton 1971-10-9 s.n. Placer E side of Auburn. 305 Comment
  UCD22183  Delphinium glaucum Rex Palmer 1979-7-25 N 673 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD44480  Delphinium glaucum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1846 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS23624  Delphinium gracilentum L. S. Smith 1925-6-3 1619 Placer below Yankee Jims, Forest Hill Divide 1676 Comment
  UCR218243  Delphinium hansenii subsp. hansenii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16428 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  CDA9372  Delphinium nuttallianum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8548 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 m SW of Tahoe City. Comment
  JEPS111252  Delphinium nuttallianum Steve Matson 2005-6-12 1265 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; close to fenceline; 39.2944 N, 120.1240 W; Elevation 5880 ft. 1792 Comment
  UC118684  Delphinium nuttallianum C. F. Sonne 1897-7-4 Placer edges of meadows Sierra Nevada Mountains, Squaw Valley Comment
  UC854218  Delphinium nuttallianum A. A. Heller 1917-6-17 12700 Placer near river below Cisco; Yuba river 1676 Comment
  UCD22184  Delphinium nuttallianum Rex Palmer 1979-7-25 N 698 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22185  Delphinium nuttallianum Rex Palmer 1979-7-25 N 697 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR191077  Delphinium nuttallianum George K. Helmkamp, E. A. Helmkamp 2007-5-23 12060 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  UCD38471  Delphinium patens subsp. patens Beecher Crampton 1955-6-15 2875 Placer Head of Bunch Canyon. Comment
  POM253160  Dendromecon rigida A. A. Heller 1938-7-2 15235 Placer Along the highway near the Indian Creek bridge just north of Quincy . 1098 Comment
  UCD14362  Dendromecon rigida Maura Cullinare 1983-5-29 30 Placer Placer Co.; from Interstate 80 take Forest Hill off ramp east to Mosquito Ridge Road; 914 Comment
  SACT000902  Deschampsia cespitosa Michael Baad 1983-7-10 Placer Open wet meadow with Allium. 1524.0 Comment
  SEINET3927164  Deschampsia cespitosa Ellen Dean, M. Starbuck; M. Bibbo 2008-7-20 5250 Placer Donner State Parkm newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon.; 0 2099 Comment
  UCD43363  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 731 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD21604  Deschampsia cespitosa subsp. cespitosa E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1269 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  CAS-BOT-BC198146  Deschampsia danthonioides L. R. Abrams 1935-4-20 13684 Placer Roseville, Sacramento Valley Comment
  RSA187451  Deschampsia danthonioides Le Roy Abrams 1935-4-20 13684 Placer Roseville, Sacramento Valley Comment
  CDA12410  Deschampsia elongata G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8538 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CHSC67741  Deschampsia elongata James D. Jokerst 1986-7-13 2710 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  SACT000934  Deschampsia elongata Michael Baad 1983-8-27 Placer On trail between lakes. 2072.64 Comment
  SACT000940  Deschampsia elongata D. Meyer 1983-8-7 Placer East bank 1879.0 Comment
  SACT000944  Deschampsia elongata D. Meyer 1983-8-7 Placer East bank of river 1879.0 Comment
  SACT000951  Deschampsia elongata D. Meyer 1984-7-29 Placer Road south of reservoir, moist shady north-facing slope. 1612.0 Comment
  UC1729992  Deschampsia elongata L. P. Janeway, Eric Schroder 1998-9-16 6339 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek, Homewood Quadrangle); Homewood Quadrangle 2124 Comment
  CDA12419  Descurainia incana G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8547 ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  JEPS72292  Descurainia incana Gladys L. Smith 1972-6-18 3160 Placer Alpine Meadows 2072 Comment
  CAS-BOT-BC43031  Descurainia incisa subsp. incisa A. A. Heller 1917-8-13 12911 Placer Near Summit hotel. 2133 Comment
  JEPS111246  Descurainia sophia Steve Matson 2005-6-11 1263 Placer Martis Valley, ca 3 miles southeast of Truckee, Martis Creek Lake National Recreation Area; SW of Parking Area; 339.2950 N, 120.1420 W; Elevation 5850 ft. 1783 Comment
  RSA755333  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14568 Placer town of Foresthill, along Forest Hill Road 988 Comment
  CAS-BOT-BC402451  Dicentra formosa subsp. formosa Marcus E. Jones 1882-6-28 3302 Placer Emigrant Gap Comment
  UCD95503  Dicentra formosa subsp. formosa A. S. Crafts 1926-5-1 798 Placer American River Canyon Comment
  UC855132  Dicentra uniflora Alice Eastwood Jun 15 1912-Jun 19 1912 375 Placer Deer Park; Lake Tahoe Region Comment
  UCD22166  Dicentra uniflora Rex Palmer 1979-6-21 N 359 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC402584  Dicentra uniflora Elizabeth McClintock; Wayne Roderick 1968-5-17 s.n. Placer Cisco Grove, northern Placer County Comment
  RSA677156  Dichanthelium acuminatum Beecher Crampton 1975-9-9 9279 Placer Gold Run rest area on Hwy 80 915 Comment
  SEINET238196 Image available Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1952-11-9 917 Placer 6 miles east of Auburn about 15 miles south of Meadow Vista. 457 Comment
  UCD139197  Dichelostemma capitatum subsp. capitatum Craig P. Martz 1982-3-26 38 Placer west side of Sierra College Blvd., 1.1 miles south of English Colony Rd. intersection. 170 Comment
  UCR234214  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2011-4-10 17172 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  SEINET8472275  Dichelostemma capitatum subsp. capitatum W. D. Billings 1939-3-19 1196 Placer 7 miles NW of Auburn. Comment
  SEINET8476488  Dichelostemma capitatum subsp. capitatum A. Beninghoff 1930-3-15 2034 Placer 5 miles S of Lincoln. Comment
  CAS-BOT-BC502643  Dichelostemma multiflorum R. Halliday; Wayne Roderick 1967-6-10 s.n. Placer North edge of Auburn 365 Comment
  JEPS40711  Dieteria canescens var. shastensis Miss Helen D. Geis Jun 1 1912-Jul 1 1912 173 Placer Deer Park Comment
  SD241951  Diplacus aurantiacus George K. Helmkamp, E. A. Helmkamp 2010-4-17 15891 Placer Sierra Nevada Mountains Foothills; Rattlesnake Bar Road, 7.3 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 331 Comment
  CAS-BOT-BC150478  Diplacus grandiflorus Marcus E. Jones 1882-6-28 3288 Placer Emigrant Gap Comment
  CAS-BOT-BC257791  Diplacus torreyi George K. Helmkamp; E. A. Helmkamp 2010-7-28 16679 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road 1662 Comment
  SBBG25479  Diplacus torreyi C. B. Hardham 1961-6-14 7356 Placer Baxter, US Hwy 40 1066 Comment
  SEINET14196696  Diplacus torreyi P. B. Kennedy, S. B. Doten 1901-8-18 414 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  UC22359  Dodecatheon alpinum C. J. Fox Jr. July, 1895 Placer near Squaw Peak; near Squaw Peak Comment
  UCD43336  Dodecatheon alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 704 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET8552906  Dodecatheon alpinum A. Urrutia 1960-3-19 s.n. Placer North Fork American River, Hwy 49, 3 miles S of Auburn. 457 Comment
  SEINET8561743  Dodecatheon hansenii F. Brunetti 1962-3-17 s.n. Placer 2 miles E of Auburn, above North Fork American River. 274 Comment
  UC1561214  Dodecatheon hendersonii Barbara Ertter with David Thompson 1989-4-9 8179 Placer ca 5 air mi nw Foresthill (Shirttail Canyon Road 2.4 mi from Dipper Road); nw of Forestville, Shirttail Canyon Road 609 Comment
  SEINET8561952  Dodecatheon hendersonii R. L. Smith 1942-4-3 11 Placer 10 miles E of Roseville. 152 Comment
  UCD55089  Downingia bicornuta D. B. Marcum 1969-4-26 68 Placer End of Road 5005. 12 Comment
  UC149012  Downingia montana H. M. Hall 1910-7-3 8736 Placer near Emigrant Gap; Sierra Nevada Mountains 1645 Comment
  OBI20963  Downingia ornatissima Carl B. Wolf 1937-5-12 8615 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  UCR70808  Downingia ornatissima C. B. Wolf 1937-5-12 08615 Placer Sacramento Valley, 1 mi north of Lincoln 46 Comment
  CAS-BOT-BC41961  Draba albertina Alice Eastwood 1909-1-1 283 Placer Lake Tahoe Region. Ward Pass. Comment
  JEPS72056  Draba albertina Gladys L. Smith and Betsy Wilson 1972-6-23 3196 Placer between Tiegel and Meadow Chairlifts (Alpine Meadows); , btw Tiegel and Meadow Chairlifts 2133 Comment
  CAS-BOT-BC41236  Draba nemorosa M. E. Jones 1882-4-9 s.n. Placer Emigrant Gap. Comment
  RSA0047105  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2009-7-16 15192 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  JEPS127450  Drymocallis glandulosa var. glandulosa Steve Matson 2002-7-5 554 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west fork Snow Creek; western termination of Tiger Ave. Comment
  UC1128193  Drymocallis lactea Ben Bolt 1934-7-16 163 Placer 1/2 mi s Emigrant Mine; Tahoe National Forest, Truckee Quad. Comment
  CAS-BOT-BC157893  Drymocallis lactea var. lactea Alice Eastwood 1909-1-1 21 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC157894  Drymocallis lactea var. lactea Geo. B. Grant 1906-7-15 7033 Placer Tahoe Tavern Comment
  UCR218132  Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2010-6-26 16385 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SEINET6409454  Dryopteris arguta H. N. Mozingo 75 -5 Placer 2 miles east of Auburn, middle fork of American River Comment
  CAS-BOT-BC428058  Dudleya cymosa subsp. cymosa Helen Smith 1899-5-1 s.n. Placer Applegate Comment
  CAS-BOT-BC113793  Dulichium arundinaceum George Ledyard Stebbins 1969-7-20 6946 Placer Sailor Meadow, S of North Fork, American River. Comment
  CHSC81779  Dysphania pumilio Lowell Ahart 2001-10-10 9343 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  SACT001021  Echinochloa colona Josephine Van Ess 1976-9-15 Placer Collected along the road to dam. Dried bank of the lake. 76.2 Comment
  SEINET245838 Image available Echinochloa crus-galli Beecher Crampton 1965-9-13 7497 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  CAS-BOT-BC113376  Eleocharis engelmannii Catherine Best 1984-8-11 1032 Placer South Campground, Camp Far West Reservoir. 91 Comment
  UCR257602  Elymus caput-medusae George K. Helmkamp, Amy Barnes 2014-3-21 22637 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  UCR229454  Elymus cinereus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17898 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  SACT001071  Elymus elymoides James Grove 1977-7-15 Placer Slopes of Granite Chief, Emigrant Gap, and Lyon Peak. 2000.0 Comment
  UCD22217  Elymus elymoides Rex Palmer 1979-7-26 N 849 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET3440054 Image available Elymus elymoides George K. Helmkamp, E. A. Helmkamp 2011-7-26 17862 Placer Northern Sierra Nevada Mountains: Emigrant Gap Road, 0.1 mi W of junction with US-80, 0.65 mi NE of Emigrant Gap 1590 Comment
  UC34008  Elymus elymoides subsp. elymoides C. F. Sonne July 1892 7 Placer Tinkers Knob 2743 Comment
  UC70830  Elymus elymoides subsp. elymoides J. Burtt Davy Jun 25 1897-Jun 30 1897 3257 Placer near Truckee; Truckee River Basin Comment
  SACT001113  Elymus glaucus Michael Baad 1977-6-3 Placer 0.5 mile west of station, roadside. Serpentine. 1164.0 Comment
  SACT001117  Elymus glaucus Michael Baad 1976-7-21 Placer Lower southwest-facing slope. Northeast corner, southeast of Soda Springs. 2377.0 Comment
  SACT001136  Elymus glaucus Michael Baad 1983-6-26 Placer On Michigan Bluff Road. 1158.0 Comment
  SBBG56926  Elymus glaucus M. N. Ackley -Jun-1925 33 Placer Penryn 191 Comment
  UC1131678  Elymus glaucus N. French 1933-6-5 71 Placer e Rocklin; Sacramento Quadrangle, N. Fork of American River Comment
  UCD36668  Elymus glaucus Beecher Crampton 1955-6-15 2903 Placer Placer County, Yankee Jims. 807 Comment
  UCD61895  Elymus glaucus R. Tofsrud 1951-7-1 Placer Hwy. 40, above Baxter 3/4 mile below drinking station. Comment
  UCD62275  Elymus glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax. Comment
  CAS-BOT-BC206795  Elymus glaucus subsp. glaucus Lewis S. Rose 1944-7-12 44091 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  UCR218234  Elymus glaucus subsp. glaucus George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16436 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  CHSC73265  Elymus glaucus subsp. jepsonii L. P. Janeway 1998-8-6 5974 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCD62418  Elymus multisetus Beecher Crampton 1955-7-13 3004 Placer Along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  CAS-BOT-BC213844  Elymus sierrae A. A. Heller 1917-8-13 12919 Placer Ridge northwest of Donner Pass 2377 Comment
  SACT001149  Elymus sierrae James Grove 1977-7-15 Placer 2000.0 Comment
  UCD36671  Elymus stebbinsii subsp. septentrionalis Beecher Crampton 1955-6-15 2908 Placer Placer County, Yankee Jims. 807 Comment
  CAS-BOT-BC204400  Elymus trachycaulus subsp. trachycaulus L. S. Smith 1925-7-8 1662 Placer Tahoe National Forest. Cedars near American River 1798 Comment
  CHSC74339  Elymus trachycaulus subsp. trachycaulus Susi Urie 1998-9-4 98 -248 Placer Lake Tahoe Basin-National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  OBI12060  Epilobium brachycarpum Robert F. Hoover 1967-9-5 10845 Placer Carnelian Bay, Lake Tahoe Comment
  UCR190657  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2007-5-23 12079 Placer Northern Sierra Nevada Mountains Foothills, junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  UCD150582  Epilobium campestre James A. Neilson Jr. 1971-8-13 2332 Placer Tahoe Basin, Lagoon road, Homewood. 1914 Comment
  CAS-BOT-BC171702  Epilobium canum subsp. latifolium Lowell Ahart 1966-8-12 s.n. Placer Near French Meadows, Sierra Nevada 1676 Comment
  CAS-BOT-BC171969  Epilobium canum subsp. latifolium A. A. Heller 1917-8-13 12899 Placer Base of a cliff north of Summit Hotel 2164 Comment
  CAS-BOT-BC171972  Epilobium canum subsp. latifolium G. W. Dunn 1895-9-1 s.n. Placer Summit Comment
  UC1035660  Epilobium canum subsp. latifolium Marian M. Enzler 1939-9-26 2 Placer on Hwy 49 4 mi from Auburn (Placer-El Dorado Co. line); Junction of North and Middle Forks of American River 198 Comment
  UCD150712  Epilobium canum subsp. latifolium James A. Neilson Jr. 1970-8-5 1745 Placer Tahoe Basin, South Ward Valley, north side. 2286 Comment
  UCD75735  Epilobium canum subsp. latifolium Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5197 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use. 2207 Comment
  SEINET9310108  Epilobium ciliatum Unknown 1999-7-17 15155 Placer Martis Valley Comment
  UCD75766  Epilobium ciliatum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5237 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  CHSC74238  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-9-3 98 222 B Placer Lake Tahoe Basin--National Forest. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  UCD22092  Epilobium ciliatum subsp. ciliatum Rex Palmer 1979-7-9 N 437 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD44728  Epilobium ciliatum subsp. ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2094 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR190699  Epilobium ciliatum subsp. ciliatum George K. Helmkamp, E. A. Helmkamp 2007-9-14 12956 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR233403  Epilobium ciliatum subsp. glandulosum George K. Helmkamp, E. A. Helmkamp 2011-8-26 18183 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  UCD150695  Epilobium glaberrimum James A. Neilson Jr. 1970-7-18 1562 Placer Tahoe Basin, 2 mi northeast of Tahoe City. 1920 Comment
  CHSC72878  Epilobium hallianum L. P. Janeway; Eric Schroder 1998-7-13 5743 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC74110  Epilobium hallianum Susi Urie 1998-9-1 98 -185 Placer Lake Tahoe Basin--National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  SEINET6637354 Image available Epilobium hallianum A. A. Heller 1919-7-25 13302 b Placer near Yuba River below Cisco 1676 Comment
  UCD43100  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 468 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR178681  Epilobium obcordatum Rex Palmer 1979-7-25 N- 671 Placer Sierra Nevada Mtns., Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden] 2134 Comment
  CAS-BOT-BC56949  Equisetum arvense Saichi Kawahara 1969-5-25 909 Placer Henderson Ranch, Indian Creek 987 Comment
  UCSC003237  Equisetum hyemale subsp. affine Unknown 1981-8-21 281 Placer On sand dune, shore of Lake Tahoe, Tahoe Vista. Lake Tahoe, Tahoe Vista 1890 Comment
  UCD36476  Eragrostis pilosa Beecher Crampton 1953-10-6 1661 Placer north Lincoln city limit. Comment
  SCFS1225  Eremogone E. Krimmel 2013-6-2 Placer North Fork American River, top of Foresthill Road. Comment
  CAS-BOT-BC481928  Eremogone congesta var. congesta Clare B. Hardham 1978-8-11 21767 Placer SE of Thompson Peak Comment
  CAS-BOT-BC174287  Eremogone congesta var. suffrutescens Marcus E. Jones 1882-6-28 3278 Placer Emigrant Gap Comment
  CAS-BOT-BC174290  Eremogone congesta var. suffrutescens A. A. Heller 1917-6-19 12741 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC286640  Ericameria bloomeri L. R. Abrams 1929-9-14 12162 Placer Homewood, west shore Lake Tahoe Comment
  OBI49186  Ericameria bloomeri Lewis S. Rose 1938-9-14 38270 Placer Truckee river, 3 mi NW of Tahoe City 1829 Comment
  SCFS1223  Ericameria cuneata E. Krimmel Placer NFAm. Either Pt. Mariah, or between Foresthill road and river. Comment
  CAS-BOT-BC294277  Ericameria nauseosa var. speciosa M. E. Parsons 1912-8-25 s.n. Placer Crow Peak, near summit Comment
  UC1119757  Ericameria nauseosa var. speciosa B. Bolt 1934-8-23 199 Placer Mt. Mildred Tahoe National Forest, Truckee Quadrangle, Mt. Mildred 2468 Comment
  UC73886  Ericameria nauseosa var. speciosa A. M. Carpenter 1893-8 Placer Comment
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Dec 11 2014
  UCD21716  Erigeron Rex Palmer 1979-6-9 N 164 Placer Headwaters basin area of the North Fork of the American River. 2255 Comment
  JEPS126380  Erigeron bloomeri var. bloomeri Steve Matson 2000-6-17 431 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267 near parking area and picnic site, 400 yards W of parking lot. Comment
  CAS-BOT-BC294522  Erigeron breweri var. breweri Alice Eastwood 1909-1-1 100 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC296762  Erigeron coulteri A. A. Heller 1917-8-13 12879 Placer Summit Valley 2118 Comment
  UC1191221  Erigeron coulteri Herbert L. Mason 1939-8-3 12204 Placer n of Lake Tahoe (Squaw Creek Valley); Squaw Creek Valley 1889 Comment
  RSA0049719  Erigeron divergens Dean Wm. Taylor 2013-8-7 21395 Placer Coldstream Valley, just above Horseshoe Bend on the railroad mainline 1889 Comment
  POM118205  Erigeron foliosus var. hartwegii H. M. Hall 1916-6-4 10154 Placer Bear River at Gautier Bridge, on the westerly slope of the Sierra Nevada along the border between Upper Sonoran and Transition Zones 400 Comment
  UC198969  Erigeron foliosus var. hartwegii H. M. Hall 1916-6-4 10154 Placer at Gautier Bridge (Bear River, on the w slope of the Sierra Nevada, n Placer County); Sierra Nevada, Bear River 400 Comment
  OBI77802  Erigeron foliosus var. hartwegii Guy Nesom 1981-6-4 4238 Placer Iowa Hill rd, 2.2 mi ENE of jctn with Frontage Rd in Colfax Comment
  SCFS1196  Erigeron glacialis E. Krimmel 2014-6-26 Placer Soda Springs road, 1/4 of the way between the Onion Creek crossing and the Cedars. Comment
  CAS-BOT-BC300817  Erigeron glacialis var. glacialis F. Almeda 1993-7-24 7256 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  JEPS41386  Erigeron glacialis var. glacialis C. F. Sonne 1886-7-18 151 Placer Truckee River Sierra Nevada Mountains, Truckee River Comment
  UC896082  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12878 Placer Summit Valley 2118 Comment
  OBI16541  Erigeron inornatus Robert F. Hoover 1967-9-5 10831 Placer Carnelian Bay, Lake Tahoe Comment
  UCD131345  Erigeron inornatus Beecher Crampton 1972-7-26 8844 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  UCD21704  Erigeron inornatus Beth Lowe Corbin 1982-8-9 279 Placer 1/3 mile SW of Onion Creek. In brushy opening of White Fir forest. Perennial herb. Disc flowers yellow. Mostly sun. South facing slope, 20% incline. Occasional. 1856 Comment
  UCD83593  Erigeron inornatus Albert Grigarick 2009-8-7 162 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2061 Comment
  UCD72516  Erigeron inornatus A. M. Shapiro 2008-8-1 s. n. Placer Vic. of Soda Springs (Donner Pass). 2112 Comment
  UC1118161  Erigeron inornatus var. inornatus H. S. Yates 1936-8-9 5996 Placer near Brockway; Truckee Quadrangle 1950 Comment
  JEPS16941  Erigeron inornatus var. inornatus Peter H. Raven 1956-8-4 10003 Placer dirt road n of Emigrant Gap 1493 Comment
  RSA0049720  Erigeron miser Dean Wm. Taylor 2013-8-7 21396 Placer Coldstream Valley, headwaters of Cold Creek, draining the southeast flank of Mt. Judah 1889 Comment
  CDA4643  Erigeron philadelphicus Andrew White 1930-4-16 Placer Near Loomis. 0 Comment
  UCD132077  Erigeron sumatrensis Walter H. Johnson 1959-12-1 s.n. Placer Near Blue Canyon on Highway 40. 152 Comment
  SEINET5495502  Eriodictyon californicum M. J. Williams 1984-6-24 84- 65 -2 Placer 0.3 miles in from HWY 20 on Bowman Lake Rd. 1524 Comment
  SBBG128843  Eriodictyon lobbii G. K. Helmkamp, E. A. Helmkamp 2010-8-14 16801 Placer American Hill Rd, 1.2 mi S of its jct with Foresthill Rd 1567 Comment
  UCD22134  Eriogonum Rex Palmer 1979-6-21 N 406 Placer Headwaters basin area of the North Fork of the American River 2331 Comment
  JEPS126263  Eriogonum elatum var. elatum Steve Matson 2000-7-6 470 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 meters north of Highway 267. Comment
  CDA12393  Eriogonum incanum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8521 A Placer Lake Tahoe; Head of Ward Valley. Comment
  CAS-BOT-BC259347  Eriogonum lobbii D. L. Smith; G. L. Stebbins 1976-7-3 C 7672 Placer Big Crater, on northwest side of Ralston Ridge 1280 Comment
  CAS-BOT-BC259350  Eriogonum lobbii John Thomas Howell 1943-7-26 18844 Placer Mt. Lincoln Comment
  SEINET3282809 Image available Eriogonum lobbii var. lobbii George K. Helmkamp, E. A. Helmkamp 2009-8-12 15445 Placer Northern Sierra Nevada Mountains; Forest Hill Road, 26.1 miles northeast of the city of Foresthill. 2020 Comment
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Aug 14 2014
  CAS-BOT-BC263287  Eriogonum marifolium var. marifolium John Thomas Howell 1943-7-21 18649 Placer Donner Pass to Mt. Lincoln Comment
  UCR229453  Eriogonum nudum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17899 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  CAS-BOT-BC264811  Eriogonum nudum var. deductum Marcus E. Jones 1882-6-29 3469 Placer Emigrant Gap Comment
  JEPS126332  Eriogonum nudum var. deductum Steve Matson 1997-7-9 73 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west Fork Snow Creek near dirt roads and powerlines. Comment
  SD243182  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2011-8-26 18163 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill. 2020 Comment
  UC849631  Eriogonum nudum var. deductum Marcus E. Jones, A. M. 1882-6-29 3469 Placer Emigrant Gap Comment
  UCD100610  Eriogonum nudum var. nudum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11216 Placer Northern Sierra Nevada Mtns; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  UCD162545  Eriogonum nudum var. nudum Steve Matson 2006-7-7 1641 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; along road North Ave. dirt extension. 1908 Comment
  UCR240947  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19899 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  SD234988  Eriogonum nudum var. oblongifolium G. K. Helmkamp, E. A. Helmkamp 2007-9-14 12960 Placer Foothills, Northern Sierra Nevada Mountains: along Mosquito Ridge Road 6 miles east of Foresthill (Foresthill 7.5' Q) 609 Comment
  CAS-BOT-BC271970  Eriogonum nudum var. pubiflorum G. P. Rixford 1914-10-1 s.n. Placer Loomis 121 Comment
  CAS-BOT-BC269942  Eriogonum spergulinum var. reddingianum Alice Eastwood 1909-1-1 96 Placer Lake Tahoe Region. Sunnyside Comment
  LA27118  Eriogonum spergulinum var. reddingianum L. S. Rose; 1941-7-8 41290 Placer Chambers Lodge, Lake Tahoe 1900.0 Comment
  UCD147106  Eriogonum umbellatum Chuck Hughes 2013-6-6 391 Placer Near margin of Camp Far West Reservoir, near where the Bear River enters the Reservoir. 93 Comment
  CAS-BOT-BC265156  Eriogonum umbellatum var. nevadense A. Roberts 1898-8-1 s.n. Placer Summit Soda Springs, Donner Cr. Comment
  JEPS111107  Eriogonum umbellatum var. nevadense Steve Matson 2005-7-16 1399 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  UC1032140  Eriogonum umbellatum var. nevadense R. C. Wilson 1934-9-19 74 Placer Squaw Creek Tahoe National Forest, Truckee Quadrangle, Squaw Creek Comment
  UC6504  Eriogonum umbellatum var. nevadense C. J. Fox Jr. July 1895 Placer near Deer Park Inn Comment
  CDA22677  Eriogonum umbellatum var. torreyanum C. Pyle 1978-8-9 Placer East side of Silver Peak about 1.5 miles northwest of Squaw Valley. Comment
  UC6478  Eriogonum umbellatum var. torreyanum C. F. Sonne Sept. 1885 Placer bank of Squaw Creek on Rd to Tahoe; Squaw Creek Comment
  CAS-BOT-BC205644  Eriogonum ursinum James R. Shevock 1985-8-9 11334 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2200 Comment
  POM105127  Eriogonum ursinum Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
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Sep 7 2010
  CAS-BOT-BC262232  Eriogonum ursinum Peter H. Raven 1956-8-4 10004 Placer Dirt road north of Emigrant Gap 1493 Comment
  JEPS56203  Eriogonum ursinum Leland S. Smith 1914-8-11 Placer near Loch Leven (5 mi n of Cisco) 2133 Comment
  CHSC45853  Eriogonum ursinum var. ursinum Lowell Ahart 1975-8-23 958 Placer On a dry open bare mountain side, between Sailor Flat and Robinson Flat, along Baker Ranch Soda Springs Road, about 15 miles north-east of Forest Hill. 1828 Comment
  SCFS11529134  Eriogonum wrightii E. Krimmel, F. Felix 2012-9-13 Placer NFAm trail 1 mi above Heath Falls. Comment
  RSA750702  Eriogonum wrightii var. subscaposum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14023 Placer Donner Pass Road on the west side of Donner Pass and east of Norden. 2149 Comment
  UCD21938  Eriogonum wrightii var. subscaposum Beth Lowe Corbin 1982-8-9 282 Placer 1/2 mile SW of Onion Creek campground. Open, shale, rocky slope. Low shurb. Unopened flowers reddish pink. Full sun. South facing slope, 20% incline. Locally abundant. 1828 Comment
  UCD21717  Eriophyllum lanatum var. croceum Beth Lowe Corbin 1982-8-11 322 Placer 1 3/4 miles SW of Onion Creek campground. In rocky outcrop in montane chaparral. Ray and disc flowers yellow. Full sun. SE facing slope, 45% incline. Occasional. 1935 Comment
  CDA13723  Eriophyllum lanatum var. grandiflorum G. F. Hrusa, B. Meese 1997-5-26 13793 Placer Sierra Nevada; Italian Bar Trail, to N. Fk. American River, approx. 3 km. N of Foresthill Divide Rd. Comment
  POM51125  Eriophyllum lanatum var. grandiflorum H. M. Hall 1916-6-3 10147 Placer Near Rocklin (E side Sacramento Valley) 122 Comment
  UC507054  Eriophyllum lanatum var. grandiflorum Mrs. Helen Sharsmith 1933-5-14 E 21 Placer along the highway on filled-in ground Auburn Comment
  UC566755  Eriophyllum lanatum var. grandiflorum H. L. Mason 1926-5-28 3275 Placer 5 mi above Auburn Comment
  UC567174  Eriophyllum lanatum var. grandiflorum N. French 1934-5-31 382 Placer s Monumental Hill; Colfax Quadrangle, North Fork American River, Mammoth Spring 1676 Comment
  UCD132212  Eriophyllum lanatum var. grandiflorum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10426 Placer Northern Sierra Nevada Foothills. 2.1 miles south of Auburn along CA Hwy 49. 293 Comment
  UCR229535  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17858 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  CAS-BOT-BC301410  Eriophyllum lanatum var. grandiflorum H. M. Hall; F. M. Essig 1916-6-5 10156 Placer Bear River, northern Placer County, on the westerly slope of the Sierra Nevada 450 Comment
  JEPS59444  Eriophyllum lanatum var. integrifolium Ezra Brainerd and Viola B. Baird 1915-7-7 169 Placer Squaw Valley Sierra Nevada Mts., Squaw Valley Comment
  UC1118249  Eriophyllum lanatum var. integrifolium H. S. Yates 1934-6-29 3883 Placer near Brockway; Tahoe National Forest, Truckee Quadrangle Comment
  UC148939  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-7-4 8744 Placer Cisco Sierra Nevada Mountains (s of Snowsheds, near type-locality of Bahia cuneata) 1828 Comment
  UCD103072  Erodium botrys M. H. Mills 1996-4-12 131 Placer Corner of Eden Oaks Circle and Walden Lane, Loomis. 180 Comment
  UCD127484  Eryngium castrense R. A. Blanchard 1931-5-9 2191 Placer Roseville. Comment
  UC856275  Erysimum capitatum Marcus E. Jones, A. M. 1882-6-28 2620 Placer Emigrant Gap Comment
  UCD22371  Erysimum capitatum Rex Palmer 1979-7-12 N 603 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD83645  Erysimum capitatum Albert Grigarick 2009-9-10 198 Placer Squaw Creek Resort, near base of Cornice II and Headwall lifts. 2286 Comment
  UCR120248  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5034 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UC188620  Erysimum cheiranthoides C. F. Sonne 1897-6-1 Placer w slope of mts. Washoe Mts. (along r.r.); Date as June 1897 Comment
  CAS-BOT-BC55099  Erysimum perenne N. French 1934-6-22 445 Placer 7/8 mile west of Dulzura Lake. 2286 Comment
  UC480718  Erysimum perenne W. C. Blasdale 1923-7-23 Placer top Lake Tahoe Region, Ellis Peak Comment
  CAS-BOT-BC55098  Erysimum perenne L. S. Smith 1926-6-17 1947 Placer Tahoe Forest. Rattlesnake Range. Sec. 12. 2194 Comment
  CAS-BOT-BC403342  Eschscholzia californica Alice Eastwood 1921-5-22 10585 Placer Between Lincoln and Sheridan Comment
  UCR238610  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2012-3-31 18645 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  CDA24564  Eschscholzia lobbii W. E. Simonds 1960-4-1 Placer Fields north of Folsom. 0 Comment
  SD113752  Eschscholzia lobbii Darley F. Howe 1948-5-21 1917 Placer Comment
  CAS-BOT-BC310370  Eucephalus breweri A. A. Heller 1916-8-13 12908 Placer Summit hotel 2133 Comment
  CAS-BOT-BC310377  Eucephalus breweri John Thomas Howell 1943-7-21 18656 Placer Donner Pass to Mt. Lincoln Comment
  UC194087  Eucephalus breweri C. F. Sonne 1883-9-9 Placer canon above Kneeland's Comment
  UC201302  Eucephalus breweri A. A. Heller 1916-8-13 12908 Placer 2133 Comment
  UCR231852  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2010-8-14 16768 Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 Comment
  UCR123377  Euphorbia maculata George K. Helmkamp, E. A. Helmkamp 1999-6-29 5057 Placer Sierra Nevada Foothills, corner of Dry Creek Rd & Bowman Rd, near Nielsburg, 3 mi NE of Auburn beside I-80 & 1.5 NW of North Fork Lake on American River 457 Comment
  UCR257773  Euphorbia nutans George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20036 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  UCR173739  Euphorbia palmeri George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10707 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
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Mar 8 2012
  UCD38932  Euphorbia serpillifolia Beecher Crampton 1961-9-27 6005 Placer 1 mile west of Cisco Grove, along US Hwy 40. Comment
  SD212468  Eurybia integrifolia G. K. Helmkamp, Elizabeth Helmkamp 2005-9-30 9948 Placer Northern High Sierra Mountains; junction of Chalet and Alpine Meadows Roads west of CA-89 (near Alpine ski area). 2081 Comment
  UC128136  Eurybia integrifolia Miss Harriet A. Walker 1908-7-26 1438 Placer Cisco 1810 Comment
  CAS-BOT-BC312164  Eurybia radulina M. E. Parsons 1910-8-6 s.n. Placer Near entrance to Blackwood Canyon, Lake Tahoe Comment
  UC896646  Euthamia occidentalis G. P. Rixford 1913-9-2 Placer Loomis Comment
  UC1132593  Festuca B. Bolt 1934-7-12 Placer Snow Mountain Truckee Quad. 2438 Comment
  UCD42960  Festuca idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 329 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SACT002495  Festuca megalura Josephine Van Ess 1977-3-26 Placer Collected north of Penryn where road is near the railroad tracks. Moist roadside. 152.4 Comment
  SACT001167  Festuca occidentalis Michael Baad 1977-6-21 Placer 1.5 miles south of junction to Big Reservoir and Iowa Hill to Forest Hill Road 1158.0 Comment
  SACT001181  Festuca pratensis D. Meyer 1983-7-30 Placer Roadside 1842.0 Comment
  SACT001195  Festuca rubra D. Meyer 1983-9-10 Placer West end near parking lot, moist streambank and meadow. 1879.0 Comment
  UC1132003  Festuca rubra H. S. Yates 1936-8-9 5985 Placer 2 mi sw Martis Pk.; Truckee Quad. 2286 Comment
  SACT001203  Festuca viridula Michael Baad 1983-8-21 Placer 2.4 miles southwest of Soda Springs exit off of Interstate80. 2019.0 Comment
  SACT001207  Festuca viridula Michael Baad 1983-9-3 Placer From Sprite Inn to western slope of Mountain Judah near summit. 2286.0 Comment
  SEINET239050 Image available Festuca viridula G. K. Helmkamp, E. A. Helmkamp 1999-6-30 5097 Placer Northern Sierra Nevadas: Soda Springs Road .9 miles south of Donner Pass Road approaching Ice Lakes. 2104 Comment
  CDA19486  Filago gallica M. I. Wibawa 2002-5-27 260 Placer Sacramento Valley; Folsom Lake State Recreation Area. 121 Comment
  POM260104  Fragaria californica C. Leo Hitchcock 1940-5-7 6318 Placer 1 mile west of Baxter. Comment
  SBBG27370  Fragaria vesca C. L. Htchcock 1940-5-7 6318 Placer ca. 1 mi W of Baxter Comment
  CAS-BOT-BC457948  Fragaria vesca subsp. californica Saichi Kawahara 1969-5-25 1009 Placer Mel Henderson Ranch, Indian Creek 987 Comment
  SEINET7417536 Image available Frangula californica subsp. californica A. A. Heller 1917-1 12680 Placer near Dutch Flat 914 Comment
  CAS-BOT-BC53544  Frangula californica subsp. tomentella Alice Eastwood 1913-7-3 s.n. Placer Bear River, McCourtneys Bridge Comment
  UCD15154  Frangula californica subsp. tomentella Phyllis Adams 1982-5-9 39 Placer California, Placer Co.; in the American River Canyon along Highway 49; 243 Comment
  UCD144217  Frangula rubra Frederic Hrusa; L. Serafini 1993-6-29 11261 Placer Duncan Creek approximately 5 meters upstream from Mosquito Ridge Road bridge crossing. 1 mile north of French Meadows Reservoir. 1400 Comment
  CAS-BOT-BC55702  Frangula rubra subsp. obtusissima A. A. Heller 1917-6-19 12736 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC55703  Frangula rubra subsp. obtusissima Carl B. Wolf 1928-8-22 3433 Placer 1 mi. W. of Emigrant Gap 1636 Comment
  SEINET7417509 Image available Frangula rubra subsp. rubra A. A. Heller 1917-1 12736 Placer Emigrant Gap 1615 Comment
  UCR176279  Fritillaria George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10448 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  CAS-BOT-BC504550  Fritillaria atropurpurea Alice Eastwood 1912-6-15 407 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC504557  Fritillaria atropurpurea Sherman Chickering 1974-7-8 s.n. Placer Near Soda Spring, Plants of the Sierra Nevada 1920 Comment
  CAS-BOT-BC505323  Fritillaria micrantha Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  SEINET8478955  Fritillaria phaeanthera A. Badiei 1962-3-17 s.n. Placer 3 miles E of Auburn, North Fork American River. 610 Comment
  CAS-BOT-BC504447  Fritillaria recurva Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  UCD22287  Galium Rex Palmer 1979-5-27 N 49 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD15015  Galium aparine Shirley Mator 1978-5-13 23 Placer 3.7 miles NE of the intersection Forest Hill Road and Highway 80 off ramp; 609 Comment
  SD241947  Galium bolanderi George K Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19808 Placer Northern Sierra Nevada Mountains: along Forst Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mile ESE of Whisky Hill (Duncan Peak 7.5'Q) 1677 Comment
  SEINET3157846  Galium bolanderi M. E. Jones 1882-8-30 sn Placer Emigrant Gap Comment
  POM67226  Galium californicum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UCD148666  Galium grayanum G. Ledyard Stebbins 1968-8-15 C 6858 Placer Devil's Peak, southeast of Soda Springs. 2286 Comment
  UCD22292  Galium grayanum Beth Lowe Corbin 1982-8-12 333 Placer 1/8 mile NE of Onion Creek Campground. 1844 Comment
  SEINET11616247  Galium grayanum var. grayanum W. D. Billings 1950-7-30 1920 Placer NE side of Squaw Peak, Sierra Nevada 2560 Comment
  UCSB45738  Galium tricornutum Reisentz, Paul 1979-5-11 Placer Vernal pools; 1 mile south of Sheridan on Highway 65 Comment
  JEPS127518  Galium trifidum subsp. columbianum Steve Matson 1997-7-5 42 Placer nSNH: jMartis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north side of Hwy 267, west of Martis Creek. Comment
  CHSC74258  Galium trifidum var. pacificum Susi Urie 1998-9-4 98 -260 Placer About 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  JEPS59352  Galium trifidum var. pusillum Ezra Brainerd and Viola B. Baird 1915-7-22 224 Placer margin of river just above Bear Rock Camp; Sierra Nevada Mts., Truckee River 1889 Comment
  CHSC74121  Galium triflorum Susi Urie 1998-8-13 98 -032 Placer Meadow along the south side of Ward Creek about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD66547  Gastridium phleoides Beecher Crampton 1977-6-11 9499 Placer 3.5 mis. n.e. of Auburn, Dry Creek Road just east of Elder's Corners. Comment
  CDA14330  Gaultheria ovatifolia G. F. Hrusa 1993-11-3 11470 Placer Sierra Nevada; Placer Big Trees Redwood Grove. 1676 Comment
  UCD74362  Gaultheria ovatifolia G. Ledyard Stebbins 1968-6-20 6725 Placer Placer County grove of Big Trees. (Exact location unknown. Coordinates estimated by label maker.) 1584 Comment
  JEPS59481  Gayophytum Ezra Brainerd and F. V. Baird 1915-7-23 227 Placer Tahoe City Sierra Nevada Comment
  UCD34548  Gayophytum Beecher Crampton 1985-6-23 9993 Placer Placer County, North Shore Lake Tahoe, Stateline Road. 1950 Comment
  UC1122588  Gayophytum diffusum subsp. parviflorum B. Bolt 1934-7-17 129 Placer 1/2 mi s Lost Emigrant Mine (Plot 211); Tahoe National Forest, Truckee Quadrangle Comment
  UCD103624  Gayophytum diffusum subsp. parviflorum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11215 Placer Northern Sierra Nevada Mtns; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  CDA15962  Gayophytum humile G. F. Hrusa, J. Glazner 1999-7-17 15128 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC20267  Gayophytum humile C. F. Sonne 1886-7-11 Placer road to Lake Tahoe Sierra Nevada Mountains Comment
  UCD150708  Gayophytum humile James A. Neilson Jr. 1970-8-28 1865 Placer Tahoe Basin, Paige Meadow. 2072 Comment
  UCD21988  Gayophytum humile Rex Palmer 1979-6-8 N 126 Placer Headwaters basin area of the North Fork of the American River Comment
  POM183572  Gayophytum racemosum P. A. Munz 1928-6-25 11092 Placer Tahoe Camp, Lake Tahoe. 2000 Comment
  UC197392  Gentiana newberryi C. F. Sonne Sep 1894 Placer Summit Valley Sierra Nevada Mountains 2133 Comment
  SEINET12282057  Gentiana simplex C. F. Sonne 1885-1 s.n. Placer Meadows Trucker River Comment
  RSA0028447  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-5-12 17258 Placer south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  UCR233011  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-5-12 17258 Placer Southern Sacramento Valley, south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  UCR235480  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2012-5-5 18935 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  UCR253225  Geranium dissectum George K. Helmkamp, Amy Barnes 2014-4-23 22813 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  SD43657  Geranium dissectum Darley F. Howe 1948-5-21 1912 Placer 456 Comment
  SEINET5744366 Image available Geranium dissectum Allen Fone 1975-1 s.n. Placer 5 miles W of Foresthill on Auburn-Foresthill Road.; Foresthill 914 Comment
  SD241827  Geranium molle G. K. Helmkamp, E. A. Helmkamp 2012-3-31 18648 Placer Sacramento Valley: along CA-193, 0.1 mile west of its junction with Sierra College Blvd. (Gold Hill 7.5'Q) 88 Comment
  SDSU7348  Geranium solanderi D. F. Howe 1948-5-21 1911 Placer 457 Comment
  UCD43906  Geum macrophyllum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1272 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  JEPS71884  Geum triflorum Gladys L. Smith 1972-8-25 3411 Placer below Watson Monument (trail to Granite Chief) 2590 Comment
  JEPS103385  Gilia capillaris Lowell Ahart 2002-7-22 9893 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  SEINET192482  Gilia capillaris A. A. Heller 1927-8-15 14445 Placer Near the Yuba River Cisco Comment
  SEINET12765127  Gilia capitata subsp. mediomontana Lowell Ahart 2006-7-9 12936 Placer About 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir.; 0 1661 Comment
  UCR194932  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2007-5-18 12015 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  SEINET7963104 Image available Gilia gilioides L. S. Rose 1941-1 41299 Placer Chambers Lodge (McKinney), Lake Tahoe 640 Comment
  UCR120494  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5072 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  UCR209738  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2009-8-12 15446 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill 2020 Comment
  RSA0013386  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2010-7-28 16667 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction of Soda Springs Road at Robinson Flat 2040 Comment
  CDA19531  Githopsis diffusa subsp. robusta M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 255 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Foresthill Rd, ~ 3 mi E of Foresthill. 1066 Comment
  UCD66746  Glyceria borealis August L. Hormay 1932-7-8 Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  UCD66747  Glyceria borealis August L. Hormay 1932-7-8 Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  JEPS113246  Glyceria declinata Lowell Ahart, Brian Williams 2007-4-13 13662 Placer On damp granite soil, on the bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  CAS-BOT-BC282692  Glyceria elata Margaret Williams 1974-8-8 74 -p1-39 Placer Murphy's Meadow, 5 miles southeast of Hirschdale, Sierra Nevada 2316 Comment
  SACT001261  Glyceria elata Michael Baad 1976-8-25 Placer 3-4 miles west of Sunnyside. 2072.0 Comment
  RSA0049733  Glyceria striata Dean Wm. Taylor 2013-8-7 21393 Placer Coldstream Valley, just above Horseshoe Bend on the railroad mainline 1889 Comment
  UCR218233  Gnaphalium californicum George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16445 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road on the west side of Iowa Hill Bridge over the North Fork of the American River 345 Comment
  CHSC73932  Gnaphalium palustre Susie Urie 1998-8-19 98 -085 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  JEPS111138  Gnaphalium palustre Steve Matson 2005-6-11 1257 Placer Martis Valley, ca 3 miles southeast of Truckee, Martis Creek Lake National Recreatin Area; W of Parking Area; 39.3016 N, 120.1324 W; Elevation 5835 ft. 1778 Comment
  UC427889  Gnaphalium palustre L. S. Smith 1927-8-22 Placer 6-Mile Valley, near Emigrant Gap; Tahoe National Forest, 6-mile Valley 1584 Comment
  UCD150743  Goodyera oblongifolia James A. Neilson Jr. Date Unknown 2081 Placer Tahoe Basin, Timberland. 1901 Comment
  CHSC96509  Gratiola ebracteata Lowell Ahart; Brian Williams 2007-4-13 13653 Placer On damp granite soil, on the bottom of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCD147086  Gratiola ebracteata Chuck Hughes 2013-5-6 371 Placer Southwest margin of Camp Far West Reservoir. 95 Comment
  RSA21276  Grindelia hirsutula var. davyi C. B. Wolf 1937-5-12 8619 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  UCR233276  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2011-7-9 17686 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.8 miles southeast of its junction with Foresthill Road 503 Comment
  RSA750432  Grindelia squarrosa var. serrulata George K. Helmkamp, E. A. Helmkamp 2008-8-20 14015 Placer Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  UCD22135  Hackelia micrantha Rex Palmer 1979-7-25 N 808 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET12618563  Hackelia nervosa I. R. Miller 1934-5-20 s.n. Placer Lake Tahoe, near Homewood. Comment
  UC24781  Hackelia velutina J. Burtt Davy Jun 25 1897-Jun 30 1897 3251 Placer Truckee River; Truckee River Basin Comment
  UCD22133  Hackelia velutina Rex Palmer 1979-7-25 N 807 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET6646518  Hedera helix H. N. Mozingo 1977-3-19 77 -5 Placer Above Middle Fork, on road to Cool, near top of canyon 457 Comment
  CAS-BOT-BC306526  Helenium bigelovii Brandegee No date on label s.n. Placer Cisco Comment
  JEPS35433  Helenium puberulum W. H. Shockley 1886-6-1 Placer Auburn Comment
  UC147559  Helianthella californica subsp. nevadensis Harriet A. Walker 1908-6-24 1283 Placer Blue Canyon 1432 Comment
  CAS-BOT-BC314702  Helianthella californica var. californica C. L. Hitchcock 1940-5-14 6392 Placer Meier Ranch ca. 6 miles north of Colfax 762 Comment
  CDA17019  Helianthus bolanderi G. F. Hrusa 2002-7-3 s.n. Placer Northern California; Hughes Mill (site). On wet serpentine. 1066 Comment
  UC112823  Hemizonella minima Katharine Brandegee 1907-6-5 Placer near Cape Horn Comment
  UC112844  Hesperochiron californicus Katharine Brandegee July 1908 Placer banks of Yuba R. a mile or so above Cisco; Yuba R. Comment
  JEPS71648  Hesperochiron pumilus Gladys L. Smith 1972-6-18 3158 Placer Alpine Meadows 2072 Comment
  JEPS71479  Hesperochiron pumilus Gladys L. Smith 1972-6-21 3277 Placer Alpine Meadows 2072 Comment
  CDA19543  Heterocodon rariflorum M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 223 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  JEPS103510  Heterocodon rariflorum Lowell Ahart 2002-7-22 9883 Placer About 40 yards NW of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1774 Comment
  JEPS16328  Heterocodon rariflorum Peter H. Raven 1956-8-4 9997 Placer 1.0 mi from Blue Canyon (on road to Emigrant Gap); Sierra Nevada Comment
  SEINET10972522  Heterocodon rariflorum Raven Raven 9997 Placer 1 MI FROM BLUE CANYON ON RD TO EMIGRANT GAP Comment
  CDA11996  Heuchera micrantha G. F. Hrusa 1995-5-2 12177 Placer Sierra Nevada; Above North Fork of Middle Fork of the American River, approx. 3 km. east of Mosquito Ridge Rd. crossing . Comment
  SD234517  Heuchera micrantha G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12193 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 15 miles east of its junction with Forest Hill Road in Foresthill, south of site of Bake Oven. 915 Comment
  UCD102639  Heuchera micrantha A. S. Crafts 1926-5-1 795 Placer American River Canyon. Comment
  UCD16138  Heuchera micrantha var. erubescens S. Boshoven 1983-5-30 9 Placer California. Placer County: Mosquito Ridge Rd., 13.5 mi from Forest Hill Rd. and Mosquito Ridge intersection. 1219 Comment
  CAS-BOT-BC425221  Heuchera rubescens John H. Thomas; Hazelle A. Thomas 1956-7-21 6116 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  SCFS11529133  Heuchera rubescens E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2 mi downstream from Cedars. Growing on wet rocks next to stream. Comment
  SEINET6032143  Heuchera rubescens W. D. Billings 1951-8-21 2147 Placer Near Squaw Peak 2438 Comment
  CAS-BOT-BC319601  Hieracium albiflorum Ira L. Wiggins 1933-8-21 6781 Placer Shores of Lake Tahoe near Tahoma Comment
  CDA16045  Hieracium albiflorum G. F. Hrusa, J. Glazner 2000-9-3 15667 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  SD243095  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16635 Placer Northern Sierra Nevada Mountains Foothills: Forest Route 10 (Sugar Pine Road) 0.8 mile north of its junction with Forest Hill Road, 8.2 miles NE (34a^z) of Foresthill (Michigan Bluff 7.5'Q) 1310 Comment
  SEINET4691668  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2010-1 16784 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing. 1552 Comment
  CAS-BOT-BC319597  Hieracium albiflorum Leland S. Smith 1926-5-23 s.n. Placer Forest Hill, Tahoe Forest Reserve Comment
  UCD158771  Hieracium argutum G. Ledyard Stebbins 1970-7-12 7054 Placer In canyon of North Fork of American River at Rawhide Mine, 4.5 miles east of Alta. (Exact location unknown. Coordinates estimated by label maker.) 762 Comment
  UCD133111  Hieracium argutum G. L. Stebbins Jr.; J. Hunziker, H. Stutz, D. Zohary 1952-7-20 5134 Placer steep, north-facing slope. Along road from Colfax to Forest Hill, 1/2 mile south of crossing of American River. 304 Comment
  CDA42827  Hirschfeldia incana G. F. Hrusa, M. Pitcairn 2015-7-16 18650 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  SACT001283  Holcus lanatus Michael Baad 1977-6-21 Placer Road of Weimar 685.0 Comment
  SACT001287  Holcus lanatus Josephine Van Ess 1972-6-11 Placer Barton Road and Seven Cedars Road. Collected along Seven Cedars Road. Low moist area. Comment
  SACT001290  Holcus lanatus D. Meyer 1984-6-23 Placer Collected along Placer/Nevada County line. Shady moist soil next to concrete river bypass canal. 594.0 Comment
  CHSC96323  Holocarpha virgata subsp. virgata L. P. Janeway 2006-8-24 8873 Placer Sacramento Valley. Along Hwy 193 about 3.5 km north of Lincoln. 41 Comment
  UC415595  Holodiscus discolor C. F. Sonne 1886-7-17 Placer along Truckee River, Placer Co. Comment
  UCD22265  Holodiscus discolor Beth Lowe Corbin 1982-8-26 424 Placer South side of Crow's Nest. S facing slope, 30% incline. Partial sun. Occasional. In rocky outcrop above red and white fir forest. Shrub 2 1/2 ft tall. Flowers creme white. 2346 Comment
  UCD83595  Holodiscus discolor Albert Grigarick 2009-8-7 164 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2061 Comment
  RSA0005586  Holodiscus discolor var. discolor A. A. Heller 1903-8-12 7160 Placer Donner Pass. Comment
  SACT001310  Hordeum brachyantherum Michael Baad 1976-8-4 Placer Banks of creek amoung rocks and in gravel beside creek, white fir forest with openings. 1975.0 Comment
  UCD22253  Hordeum brachyantherum Beth Lowe Corbin 1982-8-3 171 Placer Onion Creek Campground. S facing slope. Full sun to partial shade. Moderately abundant. Dry, open meadow of mixed conifer forest in fine, sandy, granitic soil. More abundant toward creek. Perennial bunchgrass, forming moderately large clumps. Inflorescence purplish. 1841 Comment
  UCD85460  Hordeum brachyantherum L. S. Smith 1931-7-24 s.n. Placer Marlette Lake east of Lake Tahoe. 2438 Comment
  UCD22254  Hordeum brachyantherum subsp. californicum Rex Palmer 1979-7-12 N 639 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22255  Hordeum brachyantherum subsp. californicum Rex Palmer 1979-7-9 N 445 Placer Headwaters basin area of the North Fork of the American River Comment
  UC1132504  Hordeum jubatum G. T. Nordstrom 1934-6-21 151 Placer 4/10 mi w by nw Mammoth Springs; Colfax Quad., Tahoe National Forest Comment
  CDA36990  Hordeum leporinum CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  SACT001376  Hordeum leporinum D. Meyer 1983-6-5 Placer 982.98 Comment
  SEINET4670481  Hordeum murinum subsp. leporinum W. D. Billings 1940-3-31 1277 Placer Canyon of Yuba River, 5 miles southeast of Auburn Comment
  SACT001358  Hordeum vulgare D. Meyer 1983-5-15 Placer Moist roadside ditch next to cultivated field. 20.0 Comment
  RSA0043371  Horkelia fusca John F. Emmel 1997-7-25 1513 Placer Sierra Nevada, Donner Pass region; south side of Donnner Pass, 0.2 air mile ENE of north end of Lake Mary. 2145 Comment
  RSA122262  Horkelia fusca subsp. parviflora B. Bolt 1934-7-16 124 Placer 1/2 mile S of Lost Emigrant Mine. 2073 Comment
  UC128221  Horkelia fusca subsp. parviflora Miss Harriet A. Walker 1908-7-26 1399 Placer Cisco 1798 Comment
  UCD67955  Horkelia tridentata Nicholas Ewing 1977-5-28 29 Placer 5.3 mi. E. of Foresthill on Auburn-Foresthill Road. 1249 Comment
  RSA121096  Horkelia tridentata N. H. French 1934-5-24 359 Placer N Fork, N Fork American River, Colfax 1341 Comment
  UC1128150  Horkelia tridentata subsp. tridentata G. T. Nordstrom 1935-6-21 149 Placer 3 mi n by bw Mammoth Springs; Colfax quad, Tahoe National Forest 1584 Comment
  UC860235  Horkelia tridentata subsp. tridentata Marcus E. Jones 1882-5-27 3291 Placer Emigrant Gap Comment
  RSA782549  Horkelia tridentata var. tridentata George K. Helmkamp, Amy Barnes 2009-7-12 15178 Placer Along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  CAS-BOT-BC537977  Horkelia tridentata var. tridentata Marcus E. A M Jones 1882-6-27 3291 Placer Emigrant Gap Comment
  UCD22017  Hosackia crassifolia Beth Lowe Corbin 1982-8-6 266 Placer On road 3/5 mile SW of Onion Creek campground. In rocky, fine, sandy soil along roadside. Herb 2 1/2' high. Flowers dark reddish purple with whitish edges. Mostly sun. SE facing slope, 20% incline. Common. 1920 Comment
  SEINET5327381  Hosackia crassifolia var. crassifolia P. B. Kennedy 1901-8-21 428 Placer Talbot's Home Camp, 7 mi from French Meadow Comment
  SEINET5327467  Hosackia oblongifolia var. oblongifolia P. B. Kennedy, Samuel Bradford Doten 1901-8-15 406 Placer Bearman's camp, 6 mi from French meadows Comment
  SEINET11259361 Image available Hulsea californica Unknown s.n. Placer Near Auburn, American River Comment
  SEINET11259363 Image available Hulsea californica H. N. Mozingo 1972-10-8 s.n. Placer Floodplain of American River, 5 mi. N. of Auburn 457 Comment
  UCD111349  Humulus lupulus John Thomas Howell 1974-7-12 50610 Placer Emigrant Gap. 1615 Comment
  JEPS71482  Hydrophyllum capitatum var. alpinum Gladys L. Smith 1972-6-18 3165 Placer Alpine Meadows 2072 Comment
  SEINET5504194  Hydrophyllum capitatum var. alpinum P. Lehenbauer 1926-4-25 1244 Placer Squaw Creek Comment
  JEPS1655  Hydrophyllum occidentale Lloyd Austin 1924-1 Placer Alta Comment
  CAS-BOT-BC312648  Hymenothrix loomisii T. C. Fuller 1962-9-20 9624 Placer S. side of Hwy 40 freeway to Donner Summit, 4.8 mi. e. of Weimar Comment
  UC303559  Hypericum concinnum unknown Aug. 1894 Placer Auburn Comment
  UCR201895  Hypericum concinnum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14033 Placer Northern Sierra Nevada Mountains, Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  UCD38901  Hypericum perforatum subsp. perforatum Beecher Crampton 1959-7-23 5424 Placer 6 miles north of Folsom. Comment
  UCD43030  Hypericum scouleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 399 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC438826  Hypochaeris glabra George K. Helmkamp; Mary Alice Barnes 2013-5-3 20464 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  CAS-BOT-BC312897  Hypochaeris glabra Gordon H. True 1971-4-21 6524 Placer On Roseville-Lincoln Highway, ca. 5 miles north of Roseville Comment
  POM147882  Ipomopsis aggregata subsp. formosissima J. B. Feudge 1927-7-19 1746 Placer Donner Lake 2134 Comment
  SEINET9355646  Iris hartwegii Unknown 2009-5-11 14653 Placer Sierra Nevada Mountains Foothills Comment
  SEINET8752696  Iris hartwegii D. T. Erskire 1941-4-25 2 Placer Bear River Canyon 1067 Comment
  UCD138734  Iris hartwegii subsp. hartwegii K. O'Keefe 1995-6-4 s.n. Placer along Forest Hill Road, about 4 miles east of Forest Hill (town). Western Sierra foothills. 900 Comment
  UCR191055  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2007-5-23 12046 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  UCR253572  Iris hartwegii subsp. hartwegii George K. Helmkamp, Amy Barnes 2014-4-23 22798 Placer Sierra Nevada Mountains Foothills, Old Auburn-Foresthill Road, 1.7 miles northeast of its junction with CA-49 at North Fork American River 407 Comment
  CHSC24735  Iris macrosiphon T. C. English 1976-4-11 13 Placer N. Fork American River, 2 mi. w. Hwy. 49 bridge, 400 yds. N. abandoned R.R. in S. facing rockpile. 335 Comment
  SEINET4170760  Iris tenuissima L. Constance, J. L. Morrison 1938-4-30 Placer At the edge of Applegate, Sierra Nevada foothills. 610 Comment
  SEINET11261550  Iris tenuissima subsp. purdyiformis George Helmkamp, E. A. Helmkamp 2012-5-5 18913 Placer Northern Sierra Nevada Mountains Foothills on Lake Clementine Road, 1.2 miles W of the junction with Foresthill Road. 0.3 air miles SE (123 degrees) of Clementine Dam on the American River.; 0 396 Comment
  RSA739596  Isoetes howellii John Dittes 2003-5-25 2003 -28 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 40 Comment
  CAS-BOT-BC112653  Isolepis setacea Mrs. J. MacFadden 1934-7-8 12642 Placer Bear River, You Bet Road.to Colfax. Comment
  UCD35426  Iva axillaris Beecher Crampton 1956-7-17 3720 Placer Blue Canyon. 1432 Comment
  JEPS16970  Iva axillaris subsp. robustior Peter H. Raven 1956-8-4 9978 Placer Blue Canyon Sierra Nevada 1432 Comment
  JEPS44486  Ivesia shockleyi var. shockleyi C. F. Sonne 1887-7 84 Placer Tinker's Knob; Sierra Nevada Mountains 2895 Comment
  CAS-BOT-BC340263  Jensia rammii C. L. Hitchcock 1940-5-14 6394 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  CAS-BOT-BC109965  Juncus Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  UC1100932  Juncus balticus Malcolm A. Nobs and S. Galen Smith 1949-8-21 1515 Placer n end Lake Tahoe (between Sandy Beach and Agate Bay) Comment
  SEINET3814472 Image available Juncus bufonius var. halophilus Marcus E. Jones 1882-7-4 2903 Placer Colfax Comment
  UCD74140  Juncus chlorocephalus Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-26 243 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Trailblazer' ski run. 2192 Comment
  CHSC89803  Juncus covillei G. F. Hrusa; J. Glazner 2000-7-1 15597 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. [Lat./long. on label is '39 22 N; 120 15 W']. 1844 Comment
  UCD163592  Juncus effusus Peter Rubtzoff 1980-8-20 9590 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass quadrangle, 15 minute series). At Serene Lakes Lodge. Comment
  CHSC74458  Juncus ensifolius Susi Urie; Eric Schroder 1998-9-9 98 -311 Placer Lake Tahoe Basin--National Forest. On south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  SD243044  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2011-8-26 18179 Placer Northern Sierra Nevada Mountains: along Forrest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. Wet area below a rocky seep. 2050 Comment
  UCR190222  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2007-8-1 12647 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  UCR209750  Juncus exiguus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15431 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
Read comments
Mar 31 2011
  UCD162589  Juncus macrandrus Steve Matson 2002-8-17 700 Placer nSNH; Tahoe north shore; Burton Creek watershed, near Tahoe City and North Tahoe High School. 2011 Comment
  SD81039  Juncus mexicanus Darley F. Howe 1971-7-3 Placer Truckee. 1829 Comment
  CHSC74321  Juncus nevadensis Susi Urie 1998-8-29 98 -155 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  UCD43305  Juncus nevadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 673 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43984  Juncus nevadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1350 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD43985  Juncus nevadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1351 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CDA15943  Juncus occidentalis G. F. Hrusa, J. Glazner 1999-7-17 15151 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  RSA39974  Juncus orthophyllus J. T. Howell 1943-7-22 18706 Placer Summit Valley. Comment
  RSA98980  Juncus oxymeris W. A. Weber, L. S. Rose 1953-5-19 8385 Placer 5 miles N of Roseville on road to Lincoln. 46 Comment
  UCD21850  Juncus parryi Rex Palmer 1979-7-11 N 561 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR179423  Juncus parryi Rex Palmer 1979-5-27 N 83 Placer Northern Sierra Nevada Mountains, Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden], granites at entrance to Chickering property 1768 Comment
  UCR206717  Juncus saximontanus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15204 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UCD43258  Juncus tiehmii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 627 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CHSC67855  Juncus uncialis James D. Jokerst 1986-4-14 2625 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. In vernal pools. Comment
  UC1714565  Juncus xiphioides Mrs. M. M. Hardy 1893-1 Placer Comment
  JEPS46586  Juniperus californica Harriet P. Kelley 1914-7-14 Placer rocky hill side above Yuba River; Cisco Comment
  UCR162422  Juniperus occidentalis subsp. australis David A. Charlet 1992-5-14 978 Placer I-80 roadside 1829 Comment
  UCD21479  Kalmia polifolia Rex Palmer 1979-7-11 N 550 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC235567  Keckiella breviflora L. S. Smith 1926-5-23 1830 Placer Tahoe National Forest, American River slopes, below Forest Hill 548 Comment
  POM260303  Keckiella breviflora C. Leo Hitchcock 1940-5-14 6413 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UC690243  Keckiella breviflora David D. Keck 1933-6-1 2432 Placer 2.3 mi se Loomis (on back road to Folsom) Comment
  UCR193339  Keckiella breviflora subsp. breviflora George K. Helmkamp, E. A. Helmkamp 2007-5-30 12177 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  JEPS15111  Keckiella breviflora var. breviflora N. French 1934-5-29 377 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quad. 1463 Comment
  UC170099  Keckiella lemmonii Miss Helen D. Geis 1912-6 163 Placer Deer Park Comment
  SEINET2470932  Kelloggia galioides K. Christie 2010-6-30 1873 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Spring along FR 16N57, ca. 0.75 mi. northeast of Kings Beach from Beaver Rd. 2133 Comment
  UC1125663  Kelloggia galioides B. Bolt 1934-7-19 152 Placer 1 mi s Whiskey Hill; Tahoe National Forest 1645 Comment
  UCD123852  Kickxia elatine B. Crampton 1957-5-7 3992 Placer along US Hwy 99 E, near roadsign, 2 miles north of Lincoln. Comment
  SACT001429  Koeleria phleoides Josephine Van Ess 1977-4-27 Placer Collected at top of hill where flume crosses road. Dry scouped out area near road. 140.2 Comment
  SACT001426  Koeleria phleoides Josephine Van Ess 1983-5-20 Placer collected along old GG grade west of highway 49 crossing of American River a short way edge of trail Comment
  UCR194707  Lactuca serriola George K. Helmkamp, E. A. Helmkamp 2007-10-28 13106 Placer Sacramento Valley, along Nicolaus Road 5.8 miles west of Lincoln 27 Comment
  UC306180  Lagophylla glandulosa unknown 1894-8-1 Placer Palm Avenue Auburn Comment
  UCD125092  Lamium amplexicaule Allan R. Magie 1957-3-24 112 Placer Auburn. Comment
  CDA37172  Lamium amplexicaule CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  CAS-BOT-BC433220  Lamium purpureum George K. Helmkamp; Elizabeth Helmkamp 2013-4-13 20333 Placer Northern Sierra Nevada Mountains Foothills: Cramer Road at the junction with CA-49, north of Auburn. 412 Comment
  HSC82237  Lasthenia californica Thomas W. Nelson 1979-4-10 4582 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  HSC82242  Lasthenia californica Thomas W. Nelson 1979-4-10 4588 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  UCR249556  Lasthenia californica George K. Helmkamp 2013-3-1 20150 Placer Sacramento Valley, Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan 37 Comment
  CDA32947  Lasthenia californica P. W. Hiatt 1979-3-29 Placer Near Rocklin; Sierra College Blvd. 0 Comment
  JEPS113111  Lasthenia fremontii Lowell Ahart, Brian Williams 2007-4-13 13631 Placer Bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UCR198539  Lasthenia fremontii George K. Helmkamp, E. A. Helmkamp 2008-4-17 13283 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  UCR194942  Lathyrus nevadensis subsp. nevadensis George K. Helmkamp, E. A. Helmkamp 2007-5-18 12030 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles southeast of Foresthill 439 Comment
  CAS-BOT-BC213269  Lathyrus sulphureus C. L. Hitchcock 1940-5-7 6344 Placer Ca. 1 mile west of Baxter. Comment
  POM260418  Lathyrus sulphureus C. L. Hitchcock 1940-5-7 6320 Placer 1 mile west of Baxter. Comment
  UCR235613  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2012-5-5 18914 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  RSA0115333  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Alice Barnes 2013-4-18 20337 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg ) of Colfax. 561 Comment
  SEINET11447834 Image available Layia platyglossa D. Erskine 1941-4-11 20 Placer 2 miles E of Roseville 76 Comment
  UCD73807  Leersia oryzoides Christopher M. Bronny 2007-5-30 s. n. Placer North of Lincoln. On the east side of Hwy. 65 past the intersection of Gladding Road. Markham Ravine. 45 Comment
  SEINET10461282  Legenere limosa Holland 1983-4-26 HOLLAND 1229 Placer Unnamed tributary of Pleasant Grove Creek, south of Placer Boulevard, east of Highway 65 Comment
  CHSC96474  Leontodon saxatilis subsp. longirostris Lowell Ahart; Brian Williams 2007-4-13 13633 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCR233020  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2011-5-12 17256 Placer Southern Sacramento Valley, south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  UC416690  Lepechinia calycina W. W. Mackie 1904-4 Placer Newcastle Comment
  HSC82616  Lepidium lasiocarpum Thomas W. Nelson, Jane P. Nelson 1979-4-11 4607 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UCD22411  Lepidium latifolium A. M. Shapiro 2001-8-10 s.n. Placer Donner Pass Road, at roadside. 2115 Comment
  CAS-BOT-BC89732  Lepidium latifolium J. H. Wilson 1968-8-5 s.n. Placer C. Sepponen property, Lincoln. Comment
  UC212640  Lepidium nitidum Mary E. P. Ames Apr 1894 Placer Auburn Comment
  CDA32946  Lepidium nitidum P. W. Hiatt 1979-3-29 Placer Near Rocklin; Sierra College Blvd. 0 Comment
  SEINET5326391  Lepidium nitidum M. Demorest 1962-3-15 s.n. Placer Junction of the North and Middle Forks of the American River, 4 miles from Auburn. 274 Comment
  UC570340  Lepidium perfoliatum N. French 1933-6-15 78 Placer Clipper Cap Sacramento Quad. 518 Comment
  UCR249529  Lepidium strictum George K. Helmkamp, Amy Barnes 2013-3-28 20288 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  CAS-BOT-BC60087  Lepidium virginicum var. menziesii A. A. Heller 1917-8-13 1753 Placer Near Summit hotel. 2133 Comment
  SACT001405  Leptochloa fascicularis Josephine Van Ess 1976-7-28 Placer 2.3 miles west of Watt Ave 21.3 Comment
  JEPS71341  Leptodactylon pungens Gladys L. Smith 1972-6-20 3203 Placer Ward Peak; on open plateau about terminus of Summit chairlift 2621 Comment
  POM75327  Leptosiphon harknessii H. M. Hall 1910-6-26 8717 Placer Cisco; Upper Transition Zone 1800 Comment
  SEINET2470937  Leptosiphon harknessii K. Christie 2010-6-30 1878 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Summit and north of HWY 267. Along a Forest Service road that access the Tahoe Rim Trail. 2164 Comment
  CAS-BOT-BC341750  Lessingia nana John Thomas Howell; Gordon H. True 1971-5-26 47631 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC56394  Leucothoe davisiae L. S. Smith 1925-8-14 1707 Placer Tahoe National Forest, Robertson Flat Pasture 1981 Comment
  CAS-BOT-BC56395  Leucothoe davisiae F. Almeda 1993-7-24 7271 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2133 Comment
  SEINET5336469  Lewisia kelloggii M. J. Williams 1970-6-7 s.n. Placer S of Emigrant Gap, overlooking N fork American River. 1615 Comment
  CAS-BOT-BC444162  Lewisia nevadensis A. A. Heller 1917-6-17 12714 Placer Along the Yuba River below Cisco 1676 Comment
  UC642828  Lewisia nevadensis H. L. Mason 1926-5-30 3330 Placer Kit Carson Pass 2621 Comment
  RSA123078B  Lewisia rediviva N. H. French 1934-6-19 422 Placer 1/4 mile W of Devil s Peak. 2104 Comment
  CAS-BOT-BC444557  Lewisia triphylla A. A. Heller 1917-6-17 12682 Placer Along the Yuba River below Cisco 1676 Comment
  POM164116  Lewisia triphylla C. F. Sonne 1897-7-18 4125 Placer Tinker s Knob 2744 Comment
  UC148958  Lewisia triphylla H. M. Hall 1910-6-26 8715 Placer Cisco Sierra Nevada Mountains, Cisco 1828 Comment
  SEINET5336592  Lewisia triphylla A. A. Heller 1909-7-16 9858 Placer Summit 2134 Comment
  CAS-BOT-BC436049  Ligusticum grayi A. A. Heller 1919-7-25 13300 Placer Near the Yuba River below Cisco 1676 Comment
  CDA12408  Ligusticum grayi G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8536 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  POM132902  Ligusticum grayi Allen M. Carpenter 1892-08 4010 Placer Sierra Nevada Mountains Comment
  UC1191176  Ligusticum grayi Herbert L. Mason 1939-8-3 12201 Placer 7 mi. n.w. Tahoe City (Squaw Valley); Squaw Valley 1889 Comment
  UCD21642  Ligusticum grayi Rex Palmer 1979-7-25 N 686 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC130778  Lilium pardalinum Albert Vollmer 1949-7-6 12 -D Placer Bear Valley Comment
  UC1505670  Lilium parvum Robert T. Clausen and Harold Trapido 1940-7-13 4895 Placer 2 mi w Lake Tahoe (along Ward Creek); Sierra Nevada, Lake Tahoe Basin 1905 Comment
  UC3732  Lilium parvum C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  CAS-BOT-BC508480  Lilium parvum F. Almeda 1993-7-24 7282 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2133 Comment
  CAS-BOT-BC508487  Lilium parvum W. W. Price 1892-7-1 s.n. Placer Red Point 1371 Comment
  CAS-BOT-BC508490  Lilium parvum A. M. Vollmer; L. Beane 1951-7-1 189 Placer Bear Valley, east of Nevada City Comment
  UCD22053  Lilium washingtonianum Beth Lowe Corbin 1982-8-10 306 Placer 1 3/4 miles NW of Onion Creek Campground. 2103 Comment
  JEPS19575  Limnanthes alba Wm. H. Shockley 1879-1 Placer Auburn Comment
  CAS-BOT-BC110636  Limnanthes alba A. A. Heller 1940-4-20 15539 Placer Near Whitney Station south of Lincoln, on U.S. Highway #99E. Comment
  UC869475  Limnanthes alba subsp. versicolor C. L. Hitchcock 1940-5-7 6333 Placer ca 1 mi w Baxter Comment
  UCD162577  Limosella aquatica Steve Matson 2003-6-9 792 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek, vernal pool. 1780 Comment
  CDA36874  Linanthus acicularis CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
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Jul 19 2018
  CDA36873  Linanthus bicolor CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UC23397  Linanthus bicolor Bolander 1865-4-13 4568 Placer Newcastle Comment
  SEINET9350509  Linanthus bolanderi M. Wibawa, Glazner, J. 2002-5-22 259 Placer Hughes Mill Comment
  RSA0012085  Linanthus ciliatus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17892 Placer Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg.) of Emigrant Gap and N of I-80 1434 Comment
  UC572434  Linanthus ciliatus N. French 1934-6-22 483 Placer 0.5 mi w Lake Van Norden 2133 Comment
  UC702546  Linanthus harknessii L. S. Rose 1941-7-18 41322 Placer Chambers Lodge (McKinney) Lake Tahoe 2100 Comment
  UCR240726  Linanthus harknessii George K. Helmkamp, E. A. Helmkamp 2012-6-19 19235 Placer Northern Sierra Nevada Mountains, Foresthill Road, 6.9 miles east of its junction with Devil's Thumb Road 1973 Comment
  CDA20199  Linaria purpurea A. Williams 2003-8-14 PDR 1407018 Placer Sierra Nevada; Pioneer Wy, Tahoe City. 0 Comment
  UCD162567  Linaria vulgaris Steve Matson 2004-8-1 909 Placer nSNH; Tahoe Basin; Tahoe City near lakeshore at Truckee River outlet. NE of Gate Keepers Cabin. 1900 Comment
  UC1191861  Lindernia dubia var. dubia Malcolm A. Nobs and S. Galen Smith 1949-8-22 1543 Placer sw city limits Roseville Comment
  SEINET11261795  Linum lewisii var. alpicola George K. Helmkamp, E. A. Helmkamp 2011-7-26 17891 Placer Northern Sierra Nevada Mountains: Bowman Lake Road, 0.9 miles N of its junction with CA Hwy 20, 0.85 miles NE (23 degrees) of Emigrant Gap and N of I-80.; 0 1434 Comment
  UC1562608  Lithophragma parviflorum var. parviflorum Barbara Ertter with David Thompson 1989-4-9 8198 Placer ne Auburn (halfway down road to Lake Clementine (= North Fork Lake)); dwn rd to Lake Clementine (= North Fork Lake), ne of Auburn 304 Comment
  UC112902  Lithospermum californicum Katharine Brandegee 1908-6-5 Placer near Cape Horn Comment
  UC78968  Lithospermum californicum Katharine Brandegee 1899-7-6 Placer Shady Run Comment
  CAS-BOT-BC317307  Lithospermum californicum L. S. Smith 1936-4-16 1775 Placer Tahoe Forest, Brimstone Creek. 1158 Comment
  UCSB25992  Lithospermum californicum Morley, Thomas 1946-5-11 Placer 100 yards northwest of Southern Pacific railroad tracks; 1/2 mile east of Dutch Flat station Comment
  UC1137048  Lolium multiflorum August L. Hormay 1932-5-24 Placer w Auburn; w of Auburn Comment
  CDA16990  Lomatium G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16043 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. Sheet 1 of 2 1066 Comment
  CDA41077  Lomatium G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16043 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. Sheet 2 of 2 1066 Comment
  SEINET9675004  Lomatium utriculatum M. Dailey 1959-4-12 11 Placer 4 miles east of Roseville on the north side of U.S. Highway 40. 76 Comment
  CAS-BOT-BC240670  Lonicera interrupta Saichi Kawahara 1969-5-24 837 Placer Slope overlooking the north fork of the American River on the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  CAS-BOT-BC200944  Lotus C. L. Hitchcock 1940-5-7 6322 Placer Ca. 1 mile west of Baxter Comment
  UC15545  Lotus aboriginus H. N. Bolander Apr 1865 4617 Placer Forest Hill Comment
  CDA11997  Lotus humistratus G. F. Hrusa 1995-5-2 12178 Placer Sierra Nevada; Approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  JEPS83670  Lotus humistratus W. H. Shockley Jun 1886 Placer Auburn Comment
  UCR207849  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14559 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River 277 Comment
  CDA27210  Lotus humistratus D. Leiser 1963-5-3 Placer Hiking trail 2 miles northwest of Michigan Bluff. 0 Comment
  RSA25275  Lotus incanus C. L. Hitchcock 1940-5-7 6326 Placer 1 mile west of Baxter. Comment
  JEPS20049  Lotus incanus Leland S. Smith 1926-5-25 1859 Placer e of Michigan Bluff (below Dollar Camp); Mosquito Ridge 1219 Comment
  UC186937  Lotus nevadensis var. nevadensis C. F. Sonne Jul 1883 Placer meadow along Truckee River Truckee River Comment
  POM27010  Lotus oblongifolius Marcus E. Jones 1882-6-27 3282 Placer Emigrant Gap. Comment
  RSA122864  Lotus oblongifolius G. T. Nordstrom 1934-6-22 155 Placer At Mammoth Springs. 1707 Comment
  JEPS59490  Lotus oblongifolius var. oblongifolius Ezra Brainerd and Viola B. Baird 1915-7-12 242 Placer n side Donner Lake; Sierra Nevada Mts. 1828 Comment
  UC176297  Lotus purshianus var. purshianus H. M. Hall 1910-7-1 8733 Placer near Cisco; Sierra Nevada Mountains 1828 Comment
  UCR201931  Lotus uliginosus George K. Helmkamp, E. A. Helmkamp 2008-8-20 14024 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  RSA406277  Lotus unifoliolatus L. S. Rose 1946-6-23 46185 Placer Rainbow, north of Cisco. 1738 Comment
  UC194800  Lupinus C. F. Sonne 1891-4-5 Placer along R.R. bet. Auburn and Newcastle; bet. Auburn and Newcastle Comment
  UCD74120  Lupinus adsurgens Jennifer W. Burt 2005-7-13 167 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1980 Comment
  RSA0035850  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-18 20361 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  SD248424  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-18 20361 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 miles ENE of Weimar. 512 Comment
  UCR250446  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-18 20361 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  CDA19552  Lupinus albifrons var. collinus M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 249 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  UCR173275  Lupinus albifrons var. collinus George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10439 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with Calif. Hwy 49 at the middle fork of the American River 370 Comment
  UCR207885  Lupinus albifrons var. collinus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14580 Placer Sierra Nevada Mountains Foothills, Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  CAS-BOT-BC196230  Lupinus albifrons var. eminens Abigail Smith 1899-4-1 s.n. Placer Applegate Comment
  JEPS64891  Lupinus andersonii W. L. Jepson 1918-7-30 7723 Placer near Tahoe City; Lake Tahoe, near Tahoe City 1920 Comment
  SBBG3520  Lupinus andersonii E. R. Blakley 1960-9-2 3800 Placer Carnelian Bay, Lake Tahoe 1903 Comment
  UCR111007  Lupinus angustiflorus George K. Helmkamp, E. A. Helmkamp 1999-6-30 5094 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  HSC33455  Lupinus apertus Thomas W. Nelson, Jane P. Nelson 1974-6-17 1354 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  JEPS46223  Lupinus apertus L. S. Smith 1931-6-3 2553 Placer summit at Duncan Peak (Tahoe Forest); , Duncan Peak 2133 Comment
  CAS-BOT-BC249046  Lupinus arbustus George K. Helmkamp; E. A. Helmkamp 2010-7-28 16673 Placer Northern Sierra Nevada Mountains: Soda Springs Road, 0.3 mile north of its junction with Forest Hill Road at Robinson Flat 2024 Comment
  CAS-BOT-BC196371  Lupinus argenteus var. heteranthus D. E. Breedlove 1962-6-13 3548 Placer On the western bank of Lake Tahoe along State Highway 89, 8.3 miles south of Tahoe City; Sierra Nevada 1889 Comment
  CAS-BOT-BC208839  Lupinus argenteus var. meionanthus Frank W. Peirson 1931-8-10 9551 Placer Lake Tahoe 1905 Comment
  JEPS65342  Lupinus argenteus var. meionanthus C. F. Sonne 1886-8-16 52 Placer mts above Coldstream (near Tinker Knob); Sierra Nevada Mountains, mts above Coldstream 2438 Comment
  RSA414453  Lupinus aridus Ronald Davidson 1921-8-8 3456 Placer Tioga Pass Comment
  UCR238597  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2012-3-31 18668 Placer Northern Sierra Nevada Mountains Foothills, Old Foresthill Road, 0.7 mile northeast of its junction with CA-49 and the American River Crossing 258 Comment
  UCR250592  Lupinus benthamii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20362 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  JEPS65024  Lupinus benthamii R. E. Arp 1932-4-18 4 Placer Coloma Comment
  CAS-BOT-BC516751  Lupinus bicolor George K. Helmkamp; Amy Barnes 2013-3-28 20290 Placer Eastern Sacramento Valley: NW side of jct of Riosa Rd and Andressen Rd, NE of Sheridan 36 Comment
  UCR188850  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2007-3-25 11705 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  UCR257597  Lupinus bicolor George K. Helmkamp, Amy Barnes 2014-3-21 22644 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  CDA37169  Lupinus bicolor CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  RSA20897  Lupinus bicolor subsp. microphyllus Carl B. Wolf 8630 Placer Sacramento Valley, 2 mi. No. of Lincoln. 53 Comment
  POM216163  Lupinus densiflorus var. lacteus D. D. Keck 1933-6-1 2433 Placer Loomis, city limits on road to Folsom. Comment
  UC865253  Lupinus lepidus Marcus E. Jones, A. M. 1882-4-28 3305 Placer Emigrant Gap Comment
  UC1129556  Lupinus lepidus var. lobbii B. Bolt 1934-7-12 103 Placer Snow Mountain; Tahoe National Forest, Truckee Quad., Snow Mountain Comment
  JEPS127425  Lupinus lepidus var. sellulus Steve Matson 1997-7-6 44 Placer nSNH Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  RSA0053706  Lupinus lepidus var. sellulus G. K. Helmkamp, E. A. Helmkamp 2012-6-19 19221 Placer Northern Sierra Nevada Mountains: Devil's Thumb Road (Deadwood Rd.), 1.2 miles S of its junction with Foresthill Road 1648 Comment
  UCD108565  Lupinus lepidus var. sellulus A. A. Heller 1912-7-20 10588 Placer Summit. 2072 Comment
  SEINET8056244  Lupinus lepidus var. sellulus A. A. Heller 1912-7-20 10588 Placer [Sierra Nevada] Summit 2073 Comment
  UCR194975  Lupinus microcarpus var. densiflorus George K. Helmkamp, E. A. Helmkamp 2007-5-18 11996 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment
  UCR207859  Lupinus microcarpus var. densiflorus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14562 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  UC518942  Lupinus microcarpus var. densiflorus David D. Keck 1933-6-1 2433 Placer on road to Folsom Loomis (Loomis city limits) Comment
  SD255744  Lupinus nanus George K. Helmkamp, Amy Barnes 2014-3-21 22626 Placer Sacramento Valley; Riosa Road at the east side of its junction with CA 65, just west of Sheridan. 32 Comment
  UCR208567  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14603 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UCR208572  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14608 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  UC155193  Lupinus nanus Katharine Brandegee 1907-5-1 Placer bet. Pilot Hill and Salmon Falls; bet. Pilot Hill and Salmon Falls Comment
  UC710398  Lupinus nanus C. P. Smith 1946-5-1 46245 Placer Hiway 99e, 1 mi s Sheridan (at Big Yankee Slough); , Big Yankee Slough Comment
  UCR250270  Lupinus polyphyllus var. burkei George K. Helmkamp, Mary Alice Barnes 2013-5-3 20458 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.8 miles east of its junction with Upper Clementine Lake Road, 10.1 mi. NE (52 deg. ) of Auburn 672 Comment
  UC1129684  Lupinus rivularis B. Bolt 1934-8-22 193 Placer 1 mi se Johnson's Monument; Tahoe National Forest, Truckee Quad. Comment
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Jul 19 2018
  POM276434  Lupinus sellulus subsp. sellulus B. W. Benson 11245 Placer Highway junction 1 mile west of Truckee. 1829 Comment
  CDA19570  Luzula comosa M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 214 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  CHSC74326  Luzula comosa var. laxa Susi Urie; Eric Schroder 1998-9-8 98 -299 Placer Lake Tahoe Basin--National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CAS-BOT-BC436673  Luzula comosa var. laxa W. R. Dudley 1893-6-1 s.n. Placer Back of Tallac Comment
  CDA33224  Luzula divaricata Jim Jokerst 1986-7-13 2724 Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, in Sheet Valley. Comment
  JEPS103591  Lycopus uniflorus Lowell Ahart 2002-7-22 9888 Placer On a floating log in the lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  SD8613  Madia bolanderi Katherine Curran Sep 1883 Placer Donner Lake Comment
  POM362221  Madia bolanderi Fay A. MacFadden 1934-7-26 12692 Placer Foot of Red Mountain Comment
  UCD132776  Madia elegans Beecher Crampton 1953-10-6 1658 Placer 2 miles north of Lincoln. Comment
  CAS-BOT-BC343775  Madia elegans L. S. Smith 1925-6-6 1630 Placer Tahoe National Forest. Colfax-Forest Hill Road south of highway 533 Comment
  SD53148  Madia elegans subsp. densifolia Darley F. Howe 1962-8-10 3418 Placer 1.2 miles north of Auburn 519 Comment
  POM362140  Madia elegans subsp. elegans Wm. Martin 1971-9-10 20202 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  POM29875  Madia exigua Bultan 1883-1 s.n. Placer St. Lawrence [now Kelsey, El Dorado Co.] Comment
  CAS-BOT-BC342836  Madia glomerata H. M. Hall 1910-6-26 8746 -A Placer Sierra Nevada Mountains. Cisco Comment
  UCD75734  Madia glomerata Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5196 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, side of undeveloped road near hairpin turn. 2160 Comment
  UC485303  Madia glomerata Katharine Brandegee Placer Summit Comment
  UCR233240  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2011-7-9 17692 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  JEPS59498  Madia gracilis Ezra Brainerd and Viola B. Baird 1915-7-23 252 Placer e of Tahoe City (along the shore of Lake Tahoe); Sierra Nevada Mts., Lake Tahoe 1905 Comment
  SEINET8491550  Maianthemum racemosum A. Tiehm 1973-9-23 s.n. Placer Seven miles W of Donner Summit on I-80. 1981 Comment
  UCD22055  Maianthemum racemosum Rex Palmer 1979-6-8 N 122 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22054  Maianthemum stellatum Rex Palmer 1979-6-20 N 317 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC512884  Maianthemum stellatum W. R. Dudley 1900-6-28 s.n. Placer Near Tallac Comment
  UCR218225  Malacothrix floccifera George K. Helmkamp, E. A. Helmkamp 2010-6-26 16412 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  SEINET8551407  Marah watsonii W. D. Billings 1939-3-19 1193 Placer 2 miles N of Auburn. Comment
  CAS-BOT-BC67839  Marsilea vestita David D. Keck 1933-6-1 2438 Placer South of Roseville, near Sacramento County - Placer County line. Comment
  UC1745628  Marsilea vestita subsp. vestita Annetta M. Carter 1945-11-4 1734 Placer 4.5 mi. NW of Roseville; Sacramento Valley, Pleasant Grove Creek; Pleasant Grove Creek, 4.5 mi. NW of Roseville on road to Marysville. Sacramento Valley. Comment
  SD237342  Matricaria discoidea G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15919 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, 5.6 miles south of its junction with CA-49 at Pilot Hill, 0.65 mi. north of the American River crossing. 199 Comment
  UCR258547  Medicago orbicularis George K. Helmkamp, Amy Barnes 2013-3-28 20234 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  UCR224860  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2010-4-23 15913 Placer Sierra Nevada Mountains Foothills, along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  UCR257592  Medicago polymorpha George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22532 Placer Sierra Nevada Mountains Foothills, North Auburn, corner of Bell Road and Olympic Way, 0.7 mi. west of CA-49 433 Comment
  CAS-BOT-BC269215  Melica aristata California Academy of Sciences 1870-6-1 s.n. Placer Cisco, Sierra Nevada Mountains Comment
  UCD14576  Melica aristata Dale Christensen 1983-6-14 s.n. Placer California, Placer Co.; Foresthill. Comment
  SEINET9262024  Melica californica George K. Helmkamp, Amy Barnes 2014-1 22808 Placer Sierra Nevada Mountains Foothills: Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill (Colfax 7.5' Q) 719 Comment
  CAS-BOT-BC282066  Melica fugax Alice Eastwood 1912-6-15 463 Placer Lake Tahoe Region Comment
  UCD87289  Melica fugax Mrs. H. P. Kelley 1915-6-19 s.n. Placer Squaw Valley. Comment
  SACT001514  Melica harfordii Michael Baad 1976-6-16 Placer Between first and second stream crossing. Comment
  UCD87387  Melica harfordii Beecher Crampton 1955-6-15 2897 Placer Placer County, Shirttail Canyon, 5.5 miles west of Iowa Hill. Comment
  UCR146664  Melica harfordii Beecher Crampton 1955-6-15 2884 Placer Sierra Nevada Mountains, Bunch Canyon, 2 miles south of U.S. Highway 40, on Forest Hills Road 518 Comment
Read comments
Oct 11 2010
  SACT001529  Melica stricta Michael Baad 1976-8-25 Placer ridge north of and including Twin Peaks. 3.5 miles northwest of Homewood. 2500.0 Comment
  SEINET2470947  Melica stricta K. Christie 2010-7-8 1888 Placer Lake Tahoe Basin Management Unit (USFS); along FR 16N73, just to the northeast of Painted Rock. 2255 Comment
  UCD88310  Melica stricta Tamara Kan 1992-7-25 s.n. Placer East slope of Silver Peak. 2377 Comment
  SACT001558  Melica torreyana D. Meyer 1984-6-10 Placer 3.2 km southwest of Colfax, steep shady cliff along slowly moving stream 606.0 Comment
  SEINET3817935 Image available Melica torreyana George K. Helmkamp, E. A. Helmkamp 2012-5-5 18915 Placer Northern Sierra Nevada Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi SE (123degrees) of Clementine Dam on the American River (Auburn 7.5' Q. 396 Comment
  CHSC79164  Melilotus albus Beecher Crampton 1972-7-26 8848 Placer Carpenter Flat east of Emigrant Gap. Drainage ditch along Laing's road. 1615 Comment
  SEINET7952660  Mentha X piperita J. Anduso 1972-10-8 s.n. Placer Auburn. 1036 Comment
  CHSC73952  Mentha canadensis Susi Urie 1998-8-25 98 -101 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  RSA409911  Mentha canadensis Wm. Martin 1972-9-10 20226 Placer 1 mile east of Weimer on Hwy 80 Comment
  SCFS1044  Micranthes bryophora E. Krimmel 2014-8-7 Placer high alpine meadow Comment
  SCFS1224  Micranthes californica E. Krimmel 2014-5-10 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Comment
  SCFS5111  Micranthes californica F. Felix, Erica Krimmel 2013-5-19 5 Placer North Fork American River, 0.1 mile east of Heath Falls overlook, on trail Comment
  SEINET6033446  Micranthes californica H. R. Holbo 1967-3-31 s.n. Placer 1 mile east of bridge of North fork American River and HWY 49 457 Comment
  UCD22368  Micranthes nidifica Rex Palmer 1979-7-12 N 623 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC348845  Microseris douglasii subsp. douglasii John Thomas Howell; Gordon H. True 1971-5-26 47634 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC349322  Microseris nutans Geo. B. Grant 1906-7-15 6955 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC349332  Microseris nutans A. A. Heller 1919-7-26 13314 Placer Summit meadows west of Donner Pass 2072 Comment
  POM219151  Microseris nutans G. W. Fetters 1929-6-29 s.n. Placer Pomin's, Lake Tahoe Comment
  POM75720  Microsteris gracilis subsp. gracilis Marcus E. Jones 1882-6-28 10380 Placer Emigrant Gap. Comment
  UCR194952  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12025 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  UC1119866  Mimulus aurantiacus var. aurantiacus N. French 1933-5-5 44 Placer sw Rattlesnake Bridge; Sacramento Quadrangle Comment
  UC26696  Mimulus aurantiacus var. grandiflorus Mrs. M. M. Hardy 1893-1 Placer Comment
  CDA15675  Mimulus breweri G. F. Hrusa, J. Glazner 1999-7-18 15225 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  SCFS11529155  Mimulus cardinalis Unknown 2014-7-5 Placer Onion Creek crossing near confluence with NF Am. river, on trail Comment
  CHSC9509  Mimulus floribundus J. F. Goodwin 1971-7-10 151 Placer Approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 198 Comment
  RSA447929  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UC445211  Mimulus guttatus Katharine Brandegee 1905-8-8 Placer Alta Grade Comment
  UCD40888  Mimulus guttatus Heidi Haugen 1984-4-15 3 Placer Folsom Lake westside. 22 Comment
  UCR190665  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-5-23 12076 Placer Northern Sierra Nevada Mountains Foothills, junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  CDA41698  Mimulus leptaleus S. E. Schoenig 1998-8-29 98 84 a Placer Adjacent to trail Glacier Lake, 0.5 miles east of intersection with Sand Ridge Trail. Comment
  UC1063101  Mimulus lewisii B. Bolt 1934-7-16 119 Placer Wabeno Creek Tahoe National Forest, Truckee Quadrangle Comment
  UCD43913  Mimulus microphyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-25 1279 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD75683  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5132 a Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, near underdeveloped road that crosses the creek. 2106 Comment
  UCR226139  Mimulus moschatus Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5142 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, forest clearing off trail 2113 Comment
  CDA33293  Mimulus moschatus Rex Palmer 1979-7-9 N 436 Placer Headwaters Basin area of the North Fork of the American River. Onion Creek Meadow #2 0 Comment
  RSA569051  Mimulus primuloides Bonnie C. Templeton 1931-7-5 1507 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UC194065  Mimulus tilingii C. F. Sonne 1886-8-16 Placer above Coldstream 2590 Comment
  CAS-BOT-BC174570  Minuartia californica Carl B. Wolf 1937-3-30 8349 Placer Sacramento Valley, 4 8/10 mi. E. of Lincoln on Penryn Road 91 Comment
  UC8089  Minuartia californica H. N. Bolander 1865-4-11 4543 Placer near Auburn Comment
  CDA16052  Mitella breweri G. F. Hrusa, J. Glazner 2000-9-3 15662 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CAS-BOT-BC432974  Mitella breweri James R. Shevock 1979-6-23 6267 Placer The Sierra Nevada. Along the Yuba River adjacent to Interstate 80. Tahoe National Forest. 1828 Comment
  UCR146853  Modiola caroliniana Beecher Crampton 1959-7-23 5427 Placer Sacramento Valley, 6 miles north of Folsom 122 Comment
  JEPS115012  Mollugo verticillata Lowell Ahart 2007-11-13 14598 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan 73 Comment
  SEINET3224456 Image available Monardella candicans Marcus E. Jones 1882-7-4 3458 Placer Colfax Comment
  SEINET12328852  Monardella odoratissima J. H. Nishida 1985-1 776 Placer Homewood 1829 Comment
  UCD125270  Monardella odoratissima F. A. MacFadden 1934-7-9 s.n. Placer P.G. and E. flume below Emigrant Gap. Near Placer and Nevada Co's. 1371 Comment
  UC128213  Monardella odoratissima subsp. pallida Miss Harriet A. Walker 1908-7-25 1389 Placer Cisco 1810 Comment
  UC2035893  Monardella odoratissima subsp. pallida G. W. Fetters 1929-7-10 Placer near Pomin's; Lake Tahoe Comment
  UC883619  Monardella odoratissima subsp. pallida P. A. Lebenbauer 1934-6-10 Placer Near Homewood; Lake Tahoe Comment
  UCR200859  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2008-9-15 14103 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  RSA0017405  Monardella odoratissima subsp. pallida Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  SEINET10582104  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 273 Placer Tahoe National Forest, Squaw Valley. Hwy. 89, across from Silver Creek Campground. Locally abundant, large population, in the understory of Pinus contorta, P. ponderosa, Abies sp. forest. Comment
  SEINET10582105  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 274 Placer Tahoe National Forest, Squaw Valley. Hwy. 89, across from Silver Creek Campground. Locally abundant, large population, in the understory of Pinus contorta, P. ponderosa, Abies sp. forest. Comment
  SEINET5333350  Monardella odoratissima subsp. pallida H. A. Walker 1908-7-25 1389 Placer Cisco 1811 Comment
  UCD43991  Montia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1357 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
Read comments
Aug 7 2007
  UC147588  Montia chamissoi Miss Harriet A. Walker 1908-6-23 1359 Placer Blue Canyon 1432 Comment
  CAS-BOT-BC445055  Montia linearis Lewis S. Rose 1940-6-2 40461 Placer Truckee River, 10 mi. n. of Tahoe City 1828 Comment
  CAS-BOT-BC260643  Muhlenbergia filiformis Margaret Williams 1974-8-8 74 -P1-37 Placer Murphy's Meadow, 5 miles SE of Hirschdale 2316 Comment
  CAS-BOT-BC260644  Muhlenbergia filiformis G. L. Stebbins, Jr.; et al. 1952-7-20 5126 Placer 7 miles E of Iowa Hill near Forbes camp ground on Upper Shirttail Creek 1158 Comment
  JEPS14348  Muhlenbergia filiformis Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, D. Zohary, J. Hunziker, H. Stutz, F. Ehrendorfer 1952-7-20 3885 Placer s slope of serpentine hill just s Shirttail Public Camp (7 mi e of Iowa Hill) 1158 Comment
  RSA129351  Muhlenbergia filiformis H. S. Yates 1936-8-9 5988 Placer 2 miles southwest of Martis Peak. 2287 Comment
  SACT001591  Muhlenbergia filiformis D. Meyer 1984-8-4 Placer Moist shady roadside. 1358.0 Comment
  UC819025  Muhlenbergia filiformis A. A. Heller 1917-8-13 12913 Placer ridge nw Donner Pass 2346 Comment
  UCD42869  Muhlenbergia filiformis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 236 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD44698  Muhlenbergia richardsonis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2064 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS127525  Myosurus apetalus var. montanus Steve Matson 1998-6-24 290 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; middle fork of Snow Creek, northeast of big pine meadow. Comment
  UC634963  Myosurus minimus H. L. Mason 1933-5-28 7240 Placer Tahoe Meadows Comment
  CDA38167  Myriophyllum sibiricum G. D. Barbe 1977-7-2 2287 Placer Day Use Area, Martis Creek Lake, south of Truckee Airport. Comment
  SEINET3156176  Nama lobbii H. A. Walker 1908-7-26 1498 Placer Cisco Comment
  UCR232632  Nama lobbii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16641 Placer Northern Sierra Nevada Mountains, Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road 1567 Comment
  CDA19161  Nasturtium officinale R. Simon April 2001 PDR 062728 Placer Sierra Nevada; Sierra Meadows Rd., Rocklin. 0 Comment
  RSA0035681  Navarretia George K. Helmkamp, Elizabeth A. Helmkamp 2012-6-19 19231 Placer Northern Sierra Nevada Mountains: Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road. 1671 Comment
  UCD22114  Navarretia breweri Rex Palmer 1979-6-21 N 385 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22115  Navarretia breweri Rex Palmer 1979-7-12 N 609 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS127454  Navarretia capillaris Steve Matson 1998-6-21 263 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. Comment
  JEPS127506  Navarretia capillaris Steve Matson 2000-6-7 472 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, east of Martis Creek Comment
  UCD75706  Navarretia capillaris Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5156 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, sides of trail. 2124 Comment
  RSA562588  Navarretia capillaris Alva Day, Orbelia Robinson 1982-7-13 82 -83 Placer Tahoe National Forest, Highway 80, just E of Norden on trail 3/4 mi. above Sierra Club Lodge Comment
  CHSC79795  Navarretia divaricata G. F. Hrusa; J. Glazner 1999-7-18 15226 Placer Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S 43434N, 07418E. 1905 Comment
  UCD21616  Navarretia divaricata E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1265 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  UCD21972  Navarretia divaricata Beth Lowe Corbin 1982-8-18 366 Placer 1 mile SW of The Cedars. In sandy, disturbed soil along logging road in White Fir forest. Flowers white, aging to pink. Ful lsun. NE facing slope, 20% incline. Common. 1828 Comment
  JEPS103305  Navarretia divaricata subsp. divaricata Lowell Ahart 2002-7-22 9896 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UC1124124 Image available Navarretia divaricata subsp. divaricata G. T. Nordstrom 1934-6-21 150 Placer .4 mi W.N.W of Mammoth Springs; Tahoe National Forest, Colfax Quad. Comment
  CAS-BOT-BC230291  Navarretia eriocephala Carl B. Wolf 1937-5-12 8618 Placer Sacramento Valley, 1 mile N of Lincoln 45 Comment
  UC718539  Navarretia eriocephala Carl B. Wolf 1937-5-12 Placer 1 mi n Lincoln; Sacramento Valley 45 Comment
  SEINET178555  Navarretia filicaulis Marcus E. Jones 1982-7-3 3417 Placer Colfax Comment
  SEINET14058121  Navarretia intertexta subsp. propinqua F. H. Hillman s. n. Placer Between Truckee and Lake Tahoe Comment
  UCD22106  Navarretia leptalea Rex Palmer 1979-6-19 N 212 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA123130  Navarretia leptalea subsp. bicolor N. H. French 1934-6-22 468 Placer Serena Lake 2409 Comment
  JEPS127409  Navarretia leptalea subsp. leptalea Steve Matson 1998-6-27 318 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area south side of Highway 267. Comment
  JEPS127418  Navarretia leptalea subsp. leptalea Steve Matson 2003-7-4 825 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters south of Martis Dam Road, 20 meters north of airport creek., 200 meters NW of vernal pools north of Highway 267. Comment
  UC106890  Navarretia leptalea subsp. leptalea T. S. Brandegee 1889-7-7 Placer Alta Comment
  SEINET14151936  Navarretia leptalea subsp. leptalea Trevitt 1932-7-5 s. n. Placer [Sierra Nevada] Tahoe Vista Comment
  SD114166  Navarretia nigelliformis Darley F. Howe 1951-5-2 2110 Placer 4 mi. north of Auburn 456 Comment
  SEINET196217  Navarretia propinqua Herbert L. Mason 1940-8-3 12203 Placer Squaw Creek Valley, N fo Lake Tahoe. 1890 Comment
  SEINET10906132  Nemacladus interior Gates 1879-1 GATES 215 Placer Rose Springs Comment
  POM260036  Nemophila heterophylla C. L. Hitchcock 1940-5-7 6321 Placer 1 mile west of Baxter. Comment
  RSA537465  Nemophila heterophylla Barbara Ertter, David M. Thompson 1989-4-9 8193 Placer halfway down road to Lake Clementine (N Fork Lake) NE of Auburn. 305 Comment
  UCD119915  Nemophila maculata Terri Williamson 1990-4-15 4 Placer 22587 Sunset Ridge Dr. Lake of the Pines. 365 Comment
  CDA19093  Nemophila maculata D. A. Mayhew 2001-3-19 s.n. Placer Sacramento Valley; NE of wet vernal pool, Aylesbury Way, Roseville. 0 Comment
  UC449911  Nemophila menziesii Francis Ramaley 1917-4-14 11107 Placer Lincoln Comment
  UC880959  Nemophila pedunculata Lewis S. Rose 1940-6-2 40464 Placer 10 mi n Tahoe City; Truckee River, n of Tahoe City 1828 Comment
  JEPS1869  Nemophila spatulata L. Constance 1938-6-6 2279 Placer 6.5 mi w Cisco (Sierra Nevada); , w of Cisco 1584 Comment
  UCD110195  Notholithocarpus densiflorus Thomas Morley 1946-9-28 814 Placer 2 1/2 miles north north-east of Alta. 1249 Comment
  UCR231857  Notholithocarpus densiflorus var. echinoides George K. Helmkamp, E. A. Helmkamp 2010-8-11 16762 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  SEINET7067124  Odontostomum hartwegii A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
  UC1122247  Oenothera elata subsp. hirsutissima H. S. Yates 1934-6-29 3902 Placer near Brockway; Tahoe National Forest, Truckee Quadrangle Comment
  JEPS127509  Oenothera flava Steve Matson 1998-7-12 333 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek. Comment
  JEPS126304  Oreostemma alpigenum var. andersonii Steve Matson 1998-7-27 343 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Main meadow within sight of Highway 28. Comment
  UCD43866  Oreostemma alpigenum var. andersonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1232 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD42909  Oreostemma peirsonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 277 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CDA13694  Orobanche corymbosa G. F. Hrusa, J. Glazner 1997-8-3 14054 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UCR148840  Orthocarpus cuspidatus G. Fred Hrusa, J. Glazner 2001-7-15 15951 Placer Northern Sierra Nevada Mountains, Near summit of Crows Nest Peak, immediately west of Sugarbowl 2378 Comment
  POM44253  Orthocarpus lacerus Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  SACT001684  Oryzopsis hymenoides Michael Baad 1976-8-25 Placer ridge of east Grouse Canyon 2499.0 Comment
  POM82918  Osmorhiza berteroi Marcus E. Jones 1882-6-29 2734 Placer Emigrant Gap. Comment
  UCD127774  Osmorhiza berteroi G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12049 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCD15633  Osmorhiza berteroi R. B. Kelley 1985-5-12 185 Placer Stevens Trail, at end of North Canyon Rd. Colfax. 0.25 mile NE of trailhead. 670 Comment
  UCD43019  Osmorhiza berteroi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 388 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  JEPS14029  Osmorhiza berteroi Rimo Bacigalupi with G. L. Stebbins, J. Hunziker, F. Ehrendorfer, A. Hawkes, D. Zohary & H. Stutz 1952-7-19 3864 Placer ridge between Indian Creek and North Fork American River (near site of Monona Flat, about 2 1/2 mi e of Iowa Hill) 990 Comment
  UCSB17656  Osmorhiza brachypoda Hardham, Clare 1961-6-14 Placer Rte. 40 Baxter Comment
  UCR194696  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2007-5-30 12202 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp 963 Comment
  CHSC79644  Osmorhiza occidentalis G. F. Hrusa; J. Glazner 1999-7-18 15238 Placer Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S 43434 N, 07418 E. 1889 Comment
  JEPS126328  Osmorhiza occidentalis Steve Matson 2003-8-6 877 -2 Placer Tahoe north shore; Griff Creek Watershed above Kings Beach, CA; just west of junction of Griff Line Road and Griff Creek. Comment
  JEPS60655  Paeonia brownii W. L. Jepson 1918-7-30 7728 Placer near Tahoe City; Lake Tahoe 1920 Comment
  UC585239  Paeonia brownii E. B. Babcock, G. L. Stebbins Jr. 1936-6-2 1575 Placer 2 mi w Cisco Comment
  UCD88542  Panicum acuminatum var. fasciculatum Beecher Crampton 1975-9-9 9279 Placer Gold Run rest area on Hwy. 80 W. Comment
  RSA654060  Panicum dichotomiflorum Beecher Crampton 1977-9-30 9531 Placer Applegate, Opposite grocery store Comment
  JEPS71841  Parnassia californica Gladys L. Smith 1972-8-23 3431 Placer n face of Granite Chief, Squaw Valley complex Granite Chief; , Squaw Valley complex 2575 Comment
  SEINET12219713  Parnassia palustris var. californica C. F. Sonne 1885-1 96 Placer above Coldstream Comment
  UCR258215  Paspalum dilatatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20056 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  UCD88972  Paspalum urvillei Beecher Crampton 1965-9-13 7499 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  UCR259877  Paspalum urvillei George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22466 Placer Sacramento Valley, Highway CA-193 (Lincoln-Newcastle Hwy) at the junction with Gold Hill Road, 3.8 miles northwest of US-80 114 Comment
  SEINET4670718  Paspalum urvillei B. Crampton 1965-9-13 7499 Placer Gold Run, Interstate Hwy 80 975 Comment
  UCD75685  Pectiantia breweri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5134 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  UC1618222  Pectocarya pusilla Barbara Ertter with David Thompson 1989-4-8 8172 Placer Iowa Creek Rd. ca. 2 mi. from I-80 near entrance to Auburn State Recreation Area (at creek crossing) 518 Comment
  UC128142  Pedicularis attollens Miss Harriet A. Walker 1470 Placer near Cisco Lake; Cisco Comment
  UCD21900  Pedicularis groenlandica Rex Palmer 1979-7-11 N 549 Placer Headwaters basin area of the North Fork of the American River Comment
  UC128137  Pedicularis racemosa Miss Harriet A. Walker 1908-7-29 1502 Placer on trail to Mud Lake; Cisco 1828 Comment
  CDA11927  Pedicularis semibarbata G. F. Hrusa, J. Dinsdale 1989-5-2 7064 Placer Sierra Nevada; Mosquito Ridge Rd, at intersection of spur to Placer Redwood Grove. Comment
  RSA425315  Pedicularis semibarbata Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  SEINET5777403 Image available Pellaea brachyptera Marcus E. Jones 1882-1 3275 Placer Emigrant Gap Comment
  CAS-BOT-BC67607  Pellaea bridgesii C. F. Sonne 1886-7-5 3221 Placer Sierra Nevada Mts. - Above Summit Station 2209 Comment
  UC614916  Pellaea bridgesii Beryl O. Schreiber 1934-7-4 1184 Placer 6 mi e Lookout Comment
  POM120782  Pellaea mucronata Marcus E. Jones 1902-6-29 s.n. Placer Emigrant Gap. Comment
  JEPS60062  Pellaea mucronata var. mucronata W. L. Jepson 1938-4-5 18579 Placer 2 mi e on Placerville Rd Auburn Comment
  SEINET178786 Image available Penstemon azureus Marcus E. Jones 1982-7-3 3437 Placer Colfax Comment
  RSA285685  Penstemon azureus subsp. azureus D. C. Michener 1981-7-16 4010 -C Placer Sierra Nevada. Summit of Donner Pass above railway line and its tunnels; east flank of summit. Comment
  UC103094  Penstemon azureus var. azureus C. F. Sonne July 1889 Placer <?> Donner Lake (Strongs Canyon C.P.R.R.); Sierra Nevada, above Donner Lake, Strongs Canyon C.P.R.R. Comment
  UC886813  Penstemon azureus var. azureus Lewis S. Rose 1938-9-14 38261 Placer South Fork of Yuba River, Cisco 1615 Comment
  NY571157  Penstemon azureus var. azureus M. J. Williams 1985-7-13 8562- 2 Placer Near the beginning of the Pacific Crest Trail, near summit of old Donner Highway, Sierra Nevada 2151.9 Comment
  UC1063380  Penstemon deustus H. S. Yates 1934-6-29 3901 Placer near Craigs; Tahoe National Forest, Truckee Quad. 1981 Comment
  UCD75733  Penstemon gracilentus Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5195 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, side of undeveloped road near hairpin turn. 2160 Comment
  SD243211  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill. 1402 Comment
  UC887196  Penstemon newberryi var. newberryi A. A. Heller 1917-6-18 12710 Placer below Cisco (along the Yuba river) Comment
  JEPS59357  Penstemon newberryi var. newberryi Ezra Brainerd and Viola B. Baird 1915-7-9 107 Placer near camp at Bear Rock, Truckee River Sierra Nevada Mountains 1889 Comment
  CDA15981  Penstemon roezlii G. F. Hrusa, J. Glazner 1999-7-17 15184 d Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC579459  Penstemon roezlii N. French 1934-5-28 372 Placer 1 1/2 mi w Black Mountain; Tahoe National Forest, Colfax Quad., w of Black Mountain 1767 Comment
  UCR246825  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16647 Placer Northern Sierra Nevada Mountains, Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill 1384 Comment
  CAS-BOT-BC239577  Penstemon rydbergii var. oreocharis L. S. Smith 1926-6-23 1977 Placer Tahoe National Forest, Squaw Valley North side meadow 1828 Comment
  NY651288  Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit 2133.6 Comment
  POM44157  Penstemon rydbergii var. oreocharis Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  RSA45351  Penstemon rydbergii var. oreocharis L. S. Smith 1938-7-22 s.n. Placer Squaw Valley. Tahoe National Forest. Comment
  UC527359  Penstemon speciosus C. B. Wolf 1931-9-10 2418 Placer Lake Tahoe just nw Chambers Lodge; Lake Tahoe just nw of Chambers Lodge 1920 Comment
  POM283523  Penstemon speciosus Lyman D. Benson 1932-7-31 4026 Placer Twin Peaks Road, Sierra Nevada, Lake Tahoe watershed. 1951 Comment
  RSA0070766  Pentagramma triangularis Elizabeth Flint 1930-1 87 Placer Near Penryn. 213 Comment
  SEINET6626624  Pentagramma triangularis P. L. Henderson 1975-9-21 62 Placer North and Middle Fork American River. 274 Comment
  UCSB32267  Perideridia bolanderi Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  CHSC73909  Perideridia lemmonii Susie Urie 1998-8-28 98 -132 Placer Middle of Page Meadows; anout 2 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 11 W']. 2121 Comment
  CHSC73914  Perideridia lemmonii Susi Urie 1998-8-28 98 -147 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 11 W']. 2115 Comment
  UCD75939  Perideridia parishii Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5177 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail by creek. 2145 Comment
  CHSC74185  Perideridia parishii subsp. latifolia Susie Urie; Eric Schroder 1998-9-8 98 -281 Placer On north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  SD254688  Persicaria punctata George K Helmkamp, Elizabeth Helmkamp 2012-10-30 20091 Placer Sacramento Valley: South Dowd Road, 0.1 mile south of its junction with Moore Road, SW of Lincoln (Pleasant Grove 7.5'Q) 34 Comment
  RSA537447  Petrorhagia dubia Barbara Ertter, David M. Thompson 1989-4-9 8187 Placer Auburn-Forest Hill Road 6.2 miles southwest of Spring Garden Road junction, 8 miles northeast of Auburn. 610 Comment
  UCD82832  Phacelia Robin McMaster 1973-6-3 448 Placer 2 mi W Lake Spaulding. Comment
  JEPS73653  Phacelia egena L. R. Heckard with G. L. Stebbins 1973-6-17 3441 Placer about 7 air mi se Emigrant Gap (e face of bluff); Big Valley Bluff 1524 Comment
  UCR189629  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2007-7-27 12637 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  UCR191132  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2007-6-12 12315 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UCR209748  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15439 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  JEPS111239  Phacelia heterophylla Steve Matson 2005-6-19 1294 Placer Martis Valley, southeast of Truckee, National Recreation Area , SW of Highway 267 and just north of Martis Creek. 39.2974 N, 120.1379; Elevation 5850 ft. 1783 Comment
  UCD42838  Phacelia heterophylla C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 204 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  JEPS59365  Phacelia humilis Ezra Brainerd and Viola B. Baird 1915-7-25 114 Placer trail to Garden of the Gods Sierra Nevada Mts., Deer Park Valley 2011 Comment
  SEINET5520644  Phacelia humilis H. A. Walker 1910-6-13 2030 Placer Sierra Nevada, near Deer Park, Tahoe District 1970 Comment
  CDA12381  Phacelia hydrophylloides G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8509 A Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. Comment
  UC881156  Phacelia marcescens Lewis S. Rose 1940-5-29 40410 Placer 3 mi ne Emigrant Gap 1676 Comment
  UC881157  Phacelia marcescens Marcus E. Jones, A. M. 1882-6-27 3294 Placer Emigrant Gap Comment
  RSA0043237  Phacelia marcescens L. S. Rose 1946-6-23 46189 Placer Rainbow, north of Cisco. 1738 Comment
  UC1051801  Phacelia mutabilis Malcomb Nobs 1950-9-24 Placer e slope Squaw Peak 2133 Comment
  UC881016  Phacelia mutabilis Marcus E. Jones, A. M. 1882-6-30 2813 Placer Emigrant Gap Comment
  UC909967  Phacelia mutabilis A. A. Heller 12890 Placer Summit Station 2121 Comment
  SCFS5102  Phacelia mutabilis F. Felix, Erica Krimmel 2013-5-19 22 Placer North Fork American River, 0.5 mile east Heath Falls overlook, on trail Comment
  POM64823  Phacelia racemosa Katherine Brandegee 1908-7-15 s.n. Placer Cisco. Comment
  SEINET8472437  Phacelia racemosa D. W. Taylor 2004-1 19162 Placer Canyon of South Yuba River; 2 air miles W of Kingvale on I-80. along logging road from the highway to Catfish Lake just at the Nevada County line. 2088 Comment
  JEPS71503  Phacelia ramosissima Gladys L. Smith 1972-6-20 3246 Placer steep slope just below Ward Peak summit 2628 Comment
  CAS-BOT-BC154287  Phacelia ramosissima var. subglabra C. F. Sonne 1886-7-18 241 Placer Top of R.R. [Canon] Canyon on Truckee River Comment
  CDA38742  Phalaris arundinacea R. Robison 2011-8-19 Placer Tahoe City; Gatekeeper s Museum, adjacent to dam near Truckee River outflow. 0 Comment
  SACT001697  Phalaris arundinacea Michael Baad 1976-6-17 Placer Flood plain of river, Royal Gorge-Wabena Creek to Wild Creek to Wild Cat Canyon. Comment
  SACT001704  Phalaris lemmonii D. Meyer 1984-4-15 Placer Roadside appears to have been a vernal pool. Dry. 36.97 Comment
  UCD38468  Philadelphus lewisii var. californicus Beecher Crampton 1955-6-15 2883 Placer Canyon slopes of Bunch Canyon. Comment
  CAS-BOT-BC253557  Phleum alpinum John H. Thomas; Hazelle A. Thomas 1956-7-21 6199 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  CDA39025  Phleum pratense D. G. Kelch 2011-10-3 11 .824 Placer Tahoe City. Granlibakken Resort. Comment
  UCR241720  Phleum pratense George K. Helmkamp, E. A. Helmkamp 2012-9-25 19924 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  UCD21969  Phlox diffusa Rex Palmer 1979-5-27 N 80 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD69329  Phlox diffusa Ted Graber 1984-5-28 12 Placer Placer Co.; on Soda Springs Rd. 1.5 mi. from Serene Lakes along edge of ridge; in Lodgepole Forest dominanted by Prunus, Pinus contorta and Juniperus; fairly common herb, 1 dm. tall with violet/blue flowers; growing in dry, gravelly soil with granite parent material in full sun with high wind exposure. 2072 Comment
  POM282382  Phlox diffusa subsp. diffusa Lyman Benson 1933-6-26 4536 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  UC880431  Phlox douglasii subsp. rigida Alice Eastwood Jun 15 1912-Jun 19 1912 426 Placer Deer Park Lake Tahoe Region Comment
Read comments
Aug 15 2009
  CHSC81827  Phoradendron densum Lowell Ahart 2001-10-10 9336 Placer West of Soda Springs Road, about one mile south of Ice Lakes, about 3 miles south of Soda Springs and Highway 80. 2011 Comment
  UC197271  Phyllodoce breweri C. F. Sonne Aug. 1897 Placer Mount Anderson 2590 Comment
  UC480738  Phyllodoce breweri W. C. Blasdale 1923-7-19 Placer Ellis Peak; Yosemite National Park, Ellis Peak Comment
  UCD21481  Phyllodoce breweri Rex Palmer 1979-7-11 N 568 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR231865  Physocarpus capitatus George K. Helmkamp, E. A. Helmkamp 2010-10-16 17030 Placer Northern Sierra Nevada Mountains Foothills, along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine Reservoir dam 1180 Comment
  SEINET5334496  Pinus attenuata P. L. Comanor, B. Clark; B. O'Malia 1969-5-15 s.n. Placer Approx. 3 mi. west of Colfax plot (1.85 mi. from end of railroad bridge on CA 194) up a dirt road located 1/2 mile past Bear Creek bridge additional 4/10 about 6 m. Comment
  CAS-BOT-BC78462  Pinus contorta subsp. murrayana A. A. Heller 1917-8-13 12883 Placer Summit [valley] Valley 2118 Comment
  UC1076347  Pinus contorta subsp. murrayana Herbert L. Mason 1929-10-4 5476 Placer Placerville road summit Johnson Pass Comment
  NY49930  Pinus contorta var. murrayana N. H. Holmgren 1969-7-25 3753 Placer Sierra Nevada, California [Highway] 267 between Truckee and Interstate [Highway] 80 1828.8 Comment
  UC1134121  Pinus jeffreyi R. W. Lundh 1933-4-26 233 Placer 3 mi s Signal Peak; Colfax Quadrangle Comment
  UCR171350  Pinus washoensis George K. Helmkamp, E. A. Helmkamp 2005-10-1 9996 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  UCR146680  Pistacia atlantica Beecher Crampton 1972-9-28 8879 Placer Sacramento Valley, Applegate 579 Comment
  JEPS126365  Plagiobothrys cognatus Steve Matson 1998-6-27 316 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards south south east of junction of Highway 267 and Martis Creek. Comment
  SD180604  Plagiobothrys greenei Carol Witham, Jennifer Buck 2001-4-27 136 Placer 1.0 mile east along Athen Ave. from its intersection with Industrial Ave., pools are north of Athens and west of dirt road, Orchard Creek site, pool # OKC022. Comment
  CAS-BOT-BC230950  Plagiobothrys hispidulus Alice Eastwood 1909-1-1 26 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC230940  Plagiobothrys hispidulus John Thomas Howell 1938-8-2 14007 Placer 5 miles N of Brockway Comment
  POM71393  Plagiobothrys scouleri var. hispidulus Marcus E. Jones 1882-6-23 6970 Placer Emigrant Gap. Comment
  RSA39949  Plagiobothrys scouleri var. hispidulus J. T. Howell 1943-7-19 18581 Placer Summit Valley Comment
  JEPS113107  Plagiobothrys stipitatus var. micranthus Lowell Ahart, Brian Williams 2007-4-13 13638 Placer Bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UC660019  Plagiobothrys stipitatus var. micranthus Lincoln Constance 1941-5-28 2822 Placer 2 mi n Lincoln; Sacramento Valley 60 Comment
  SD244107  Plagiobothrys stipitatus var. stipitatus George K Helmkamp, E. A. Helmkamp 2011-5-12 17257 Placer Southern Sacramento Valley: south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mile west of Industrial Ave. (Roseville 7.5'Q) 41 Comment
  UCR234015  Plagiobothrys undulatus George K. Helmkamp, E. A. Helmkamp 2011-5-12 17255 Placer Southern Sacramento Valley, south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  SEINET8665624  Plantago erecta A. Tiehm, H. Mozingo, M. Williams, E. McPherson 1975-1 616 Placer One mile North of Lincoln. Comment
  SD211648  Plantago erecta Barbara Ertter, David Thompson 1989-4-9 8191 Placer Auburn-Forest Hill Road, 6.2 miles southwest of Spring Garden Road junction; ca. 8.0 airmiles northeast of Auburn. 609 Comment
  UCR249536  Plantago lanceolata George K. Helmkamp, Amy Barnes 2013-3-28 20295 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  CAS-BOT-BC136638  Platanthera John H. Thomas; Hazelle A. Thomas 1956-7-21 6201 Placer Field redacted by CAS, contact the data manager for more information 2377 Comment
  RSA303029  Platanthera leucostachys Lewis S. Rose 1944-7-26 44278 Placer Chambers Lodge, Lake Tahoe 1921 Comment
  RSA569207  Platanthera leucostachys Bonnie C. Templeton 1931-7-4 1503 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  POM196060  Platanthera leucostachys G. W. Fetters 1929-7-10 s.n. Placer Near Pomins [Tahoe Hot Tubs], Lake Tahoe Comment
  CAS-BOT-BC92246  Platystemon californicus Carl B. Wolf 1937-3-30 8352 Placer Sacramento Valley, 1.5 mile east of Lincoln on Penryn Road. 60 Comment
  JEPS51626  Platystemon californicus Leland S. Smith 1926-4-16 1776 Placer Forest Hill ridge below Yankee Jim; Tahoe Forest, Forest Hill ridge below Yankee Jim 609 Comment
  SEINET5340050  Platystemon californicus P. A. Lehenbauer 1937-4-11 s.n. Placer Near Lincoln. Comment
  CAS-BOT-BC516756  Plectritis macrocera George K. Helmkamp; Mary Alice Barnes 2013-4-18 20337 Placer Northern Sierra Nevada Mountains foothills: Yankee Jim Road, 0.9 mi E of its jct with Canyon Way, 4.4 mi SE (167 deg. ) of Colfax 561 Comment
  UC635147  Pleuricospora fimbriolata Elizabeth Morse 1927-6-10 Placer Lake Tahoe Comment
  JEPS86489  Poa L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6570 Placer ca 5 mi se Donner Lake (e of Tinker Knob, Sherman Chickering's Soda springs) 2621 Comment
  CAS-BOT-BC244352  Poa annua L. S. Smith 1926-4-11 1778 Placer Forest Hill Divide, road to Sugar Pass 1097 Comment
  SACT001780  Poa annua D. Meyer 1984-5-6 Placer On Garden Bar Road. Riparian habitat. 182.0 Comment
  SACT001784  Poa annua D. Meyer 1984-4-15 Placer 36.97 Comment
  CAS-BOT-BC254756  Poa bolanderi John Thomas Howell 1943-7-22 18711 Placer Summit Valley Comment
  CAS-BOT-BC254760  Poa bolanderi A. A. Heller 1917-6-17 12701 Placer Along the Yuba River below Cisco 1676 Comment
  CDA16043  Poa bolanderi G. F. Hrusa, J. Glazner 2000-9-3 15670 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. Abies concolor, A. magnifica, Pinus monticola, P. contorta forest with dense herbaceous understory. Along old logging roadbed. Annual. 2164 Comment
  SACT001802  Poa bolanderi James Grove 1977-7-15 Placer 2000.0 Comment
  SACT001823  Poa canbyi Michael Baad 1976-6-16 Placer Descending to stream crossing. Comment
  SACT001830  Poa compressa D. Meyer 1984-8-26 Placer 1818.0 Comment
  SACT001834  Poa compressa D. Meyer 1984-9-9 Placer East fork of the North Fork of the North Fork of the American River. 1394.0 Comment
  UCD36710  Poa compressa Beecher Crampton 1955-7-13 2995 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  SACT001873  Poa nervosa Michael Baad 1976-7-21 Placer Southwestern face of Lyon Peak descending to spring emptying into the Middle Fork of the American River. 16 km southeast of Soda Springs. 2377.0 Comment
  SACT001877  Poa nervosa Michael Baad 1976-7-17 Placer 3.2 km west of Alpine Meadows Ski Area, opening in red fir and lodgepole pine forest. 2133.0 Comment
  CDA13681  Poa palustris G. F. Hrusa, J. Glazner 1997-8-3 14041 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Uncommon rhizomatous plant to 1 m. tall in lower, wetter part of meadow. Comment
  UCD37045  Poa palustris Beecher Crampton 1956-7-17 3727 Placer Placer County, 0.75 mile west of Blue Canyon. Comment
  CAS-BOT-BC247370  Poa pratensis W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  SACT001912  Poa pratensis D. Meyer 1983-9-10 Placer West end near parking lot moist streambank and meadow. 1879.0 Comment
  SACT001921  Poa pratensis D. Meyer 1983-8-20 Placer Moist roadside meadow, some revegetation following residential construction. 2000.0 Comment
  SACT001945  Poa pratensis D. Meyer 1984-5-27 Placer Off Hwy 267 moist meadow surrounded by sagebrush. Comment
  SACT001953  Poa pratensis D. Meyer 1983-6-25 Placer 1418.0 Comment
  UCR121484  Poa pratensis subsp. pratensis George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5018 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  POM260031  Poa secunda B. Bolt 1934-7-3 70 Placer Top of Sawtooth Ridge, Colfax. 1220 Comment
  SACT002009  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  CAS-BOT-BC242952  Poa secunda subsp. secunda A. A. Heller 1917-6-19 12728 Placer Emigrant Gap 1615 Comment
  UC1132846  Poa secunda subsp. secunda N. French 1934-6-22 449 Placer 7/8 mi w Dulzura Lake; Tahoe Nat'l Forest, Truckee Quadrangle Comment
  UCD42900  Poa secunda subsp. secunda C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 268 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  JEPS75194  Poa wheeleri Gladys L. Smith 1972-6-20 3236 Placer below Ward Peak (near volcanic tunnel) 2590 Comment
  UCD43365  Podagrostis humilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 733 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD52760  Podagrostis humilis R. Tofsrud 1951-7-1 s.n. Placer near Campton's store, Hwy. 40 (above Nayak). Comment
  SD3984  Polemonium californicum C. F. Sonne 1897-8-14 Placer Above Coldstream Comment
  UCR563  Polemonium californicum Frank C. Vasek 1955-6-29 266 Placer Sierra Nevada Mountains, Sugar Bowl, near Donner Pass [ski area, c. 1 mi. east of Lake Van Norden] 2141 Comment
  POM365426  Polemonium pulcherrimum Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  CAS-BOT-BC170305  Polygala cornuta var. cornuta Isabel McCracken 1938-7-2 s.n. Placer Dutch Flat Comment
  UC1130351  Polygala cornuta var. cornuta N. French 1934-6-15 410 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  UCR231875  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2010-10-16 17020 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  UCD43039  Polygonum bistortoides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 408 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC414539  Polygonum douglasii Alice Eastwood 1909-1-1 s.n. Placer Lake Tahoe Region. Sunnyside Comment
  CHSC74248  Polygonum douglasii subsp. douglasii Susie Urie; Eric Schroder 1998-9-8 98 -278 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  JEPS103426  Polygonum douglasii subsp. douglasii Lowell Ahart 2002-7-22 9897 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UCD75819  Polygonum minimum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5173 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail by creek. 2145 Comment
  CAS-BOT-BC420032  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1963-7-11 39831 Placer Near Chambers Lodge, Tahoma 1915 Comment
  POM120374  Polypodium hesperium Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  RSA711785  Polypogon monspeliensis R. K. Brummitt 1997-6-12 19714 Placer 10 km NW of Auburn at junction of Mt. Vernon Road and Joeger Road. 300 Comment
  SACT002031  Polypogon monspeliensis Michael Baad 1977-6-9 Placer Collected at junction of Middle Fork of American River and Rubicon River 365.76 Comment
  JEPS14358  Polystichum imbricans subsp. imbricans Rimo Bacigalupi, et al. 1952-7-19 3854 Placer below Cape Horn (1/2 mi above bridge on Colfax-Iowa Hill rd.); N Fork American River 381 Comment
  RSA3403  Populus balsamifera subsp. trichocarpa Carl B. Wolf 1931-9-11 2422 Placer near creek, 7 miles below summit of Donner Pass, W slope of Sierra Nevada 1829 Comment
Read comments
Aug 27 2010
  UC527360  Populus trichocarpa C. B. Wolf 1931-9-10 2419 Placer shore of Lake Tahoe just nw Chambers Lodge; shore of Lake Tahoe just nw of Chambers Lodge 1920 Comment
  UC1099853  Potamogeton illinoensis Malcolm A. Nobs, S. Galen Smith 1949-8-22 1536 Placer 6 mi nw of Auburn (on Dunn's Dam Road) Comment
  CAS-BOT-BC453920  Potamogeton pectinatus Mary Strong Clemens 1920-9-1 s.n. Placer (Lake) Tahoe City Comment
  CAS-BOT-BC540032  Potentilla biennis John Thomas Howell 1943-7-27 18879 Placer Lake Tahoe near Tahoe Pines Comment
  UCR171338  Potentilla fruticosa George K. Helmkamp, E. A. Helmkamp 2005-10-1 9975 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  UCR173257  Potentilla glandulosa George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10445 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  UCR207107  Potentilla glandulosa subsp. ashlandica George K. Helmkamp, E. A. Helmkamp 2009-7-16 15237 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  UCR193397  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, E. A. Helmkamp 2007-5-30 12196 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 15 miles east of its junction with Forest Hill Road in Foresthill, south of site of Bake Oven 915 Comment
  UCR240914  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19238 Placer Northern Sierra Nevada Mountains, Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road 2055 Comment
  CDA15673  Potentilla glandulosa subsp. reflexa G. F. Hrusa, J. Glazner 1999-7-18 15220 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CDA15923  Potentilla gracilis G. F. Hrusa, J. Glazner 1999-7-17 15174 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. U 1889 Comment
  JEPS59375  Potentilla gracilis Ezra Brainerd and Viola B. Baird 1915-7-7 123 Placer Squaw Valley near forester's house; Sierra Nevada Mts., Squaw Valley 1920 Comment
  SEINET6637688  Potentilla gracilis var. fastigiata P. Lehenbauer 1932-6-26 s.n. Placer Near Tahoe City Comment
  CHSC118021  Poterium sanguisorba G. K Helmkamp; E. A Helmkamp 2007-9-14 12959 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill. 942 Comment
  CDA12395  Primula suffrutescens G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8523 A Placer Lake Tahoe; W end of Ward Valley, 4 miles SW of Tahoe City. Comment
  SEINET8565301  Primula suffrutescens W. D. Billings 1950-7-30 1914 Placer Sierra Nevada, NE side of Squaw Peak. 2560 Comment
  SJSU5489  Primula suffrutescens R. L. Fisher 1959-8-16 Placer E-facing slope of ridge c. 1 mi NW of Anderson Peak 2438 Comment
  CAS-BOT-BC508644  Prosartes hookeri Lloyd Austin 1924-5-13 s.n. Placer Baxter's Camp bove Alta on road to Truckee Comment
  UCR249992  Prunella vulgaris var. lanceolata George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20807 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  CAS-BOT-BC159732  Prunus andersonii Elizabeth Parsons Hawver 1911-8-20 s.n. Placer Lakeside, Lake Tahoe Region Comment
  JEPS44953  Prunus emarginata C. J. Fox Jr. July, 1895 Placer near Squaw Peak Comment
  POM89355  Prunus emarginata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  UC1128350  Prunus emarginata C. R. Clar 1933-5-11 116 Placer 3 mi e of Weimer 609 Comment
  UCD113443  Prunus emarginata N. F. Sommer 1954-5-19 88 Placer at edge of runway of emergency landing field near Blue Canyon, U.S. Highway 40, 8 miles west of Emigrant Gap. 1828 Comment
  UCR201929  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2008-8-20 14028 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  JEPS127550  Prunus virginiana subsp. demissa Steve Matson 1998-6-15 272 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, along east Martis Creek. Comment
  CAS-BOT-BC357342  Pseudognaphalium microcephalum R. F. Hoover 1967-9-5 10825 Placer Cornelian Bay, Lake Tahoe Comment
  JEPS14031  Pseudognaphalium thermale Rimo Bacigalupi with G. L. Stebbins, D. Zohary, J. Hunziker, F. Ehrendorfer, A. Hawkes, H. Stutz 1952-7-19 3852 Placer below Cape Horn sta. on S.P RR (0.5 mi above bridge on Colfax-Iowa Hill road); North Fork of American River 381 Comment
  OBI16412  Pseudognaphalium thermale Robert F. Hoover 1967-9-5 10825 Placer Carnelian Bay, Lake Tahoe Comment
  SEINET5334811  Pseudotsuga menziesii var. menziesii P. L. Comanor, B. Clark; B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 mi. from end of railroad bridge on CA 194. Winding rd., plot located on the right,past parking area,down path about 60 meters. 1676 Comment
  JEPS126404  Psilocarphus brevissimus var. brevissimus Steve Matson 2002-5-26 527 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards north of Highway 267; 200 yards west of Martis Creek vernal pool. Comment
  JEPS82164  Psilocarphus brevissimus var. brevissimus Wilma Follette 1978-7-12 Placer Page Meadows 1981 Comment
  CAS-BOT-BC361844  Psilocarphus oregonus John Thomas Howell; Gordon H. True 1971-5-26 47635 Placer Northern limits of Lincoln 48 Comment
  UCD18832  Psilocarphus oregonus Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-27 137 Placer 1 mi. east along Athens Ave. from its intersection with Industrial Ave., pools are north of Athens and west of dirt road, Orchard Creek site, pool # OKC022, UTMs: 10S0645594; 4300408. Comment
  CAS-BOT-BC249051  Pteridium aquilinum var. pubescens George K. Helmkamp; E. A. Helmkamp 2010-8-14 16769 Placer Northern Sierra Nevada Mountains: Deadwood Road, 1.2 miles south of its junction with Forest Hill Road 1564 Comment
  RSA690889  Pteridium aquilinum var. pubescens Viola N. Poole 1929-11 121 Placer Summit, near Southern Pacific Comment
  UC474260  Pterospora andromedea G. W. Fetters 1929-8-2 Placer Pomins, Lake Tahoe 1950 Comment
  JEPS18609  Purshia tridentata var. tridentata W. L. Jepson 1931-6-16 15928 Placer Tahoe Vista; Lake Tahoe Comment
  UC1128546  Purshia tridentata var. tridentata D. Schlobohm 1934-10-2 3 Placer 3 mi s Truckee; Tahoe National Forest, Truckee Quad. 1859 Comment
  JEPS126342  Pyrola picta Steve Matson 1998-7-28 350 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; above West Fork of Snow Creek. Comment
  UCD21918  Pyrola picta Beth Lowe Corbin 1982-8-2 154 Placer Onion Creek campground. In deep, partially decomposed duff beneath Calocedrus decurrens, in mixed Conifer forest. Perennial herb with long, slender rootstock. Leaves firm, somewhat fleshy. Flowers unopened, greenish white. Leaves with white markings along veins. Full shade. South facing slope. Uncommon. 1841 Comment
  CAS-BOT-BC466092  Pyrola picta J. C. Hawver 1912-9-7 s.n. Placer Cisco Comment
  SEINET12528240 Image available Pyrola picta f. aphylla A. P. Kelley 1925-1 763 Placer Among rocks on north slope of canon under conifers. Comment
  CAS-BOT-BC104263  Quercus X morehus Miss. A. Eastwood 1959-9-1 s.n. Placer New Castle Comment
  UCD47044  Quercus X morehus R. R. Miller 1959-5-1 s.n. Placer North side of highway, just off shoulder, ca. 1/4 mile east of the Monte Vista cutoff on U.S. Highway 40, ca. 6 miles east of Auburn, Placer County, California. Comment
  SEINET13953300 Image available Quercus californica A. Eastwood 1994-1 Placer Newcastle Comment
  CAS-BOT-BC62426  Quercus chrysolepis Miss. A. Eastwood 1894-9-1 s.n. Placer Colfax Comment
  CAS-BOT-BC62473  Quercus chrysolepis W. R. Dudley 1909-7-22 s.n. Placer Lower's leap, American River Comment
  JEPS38082  Quercus chrysolepis H. L. Mason Placer Colfax Comment
  SACT002611  Quercus chrysolepis Michael Baad 1977-6-2 Placer Descening trail from south. Mixed coniferous forest. 853.0 Comment
  SBBG25329  Quercus chrysolepis R. A. Christison 1960-5-8 64 Placer jct of St Hwy 49 and Forest Hill turnoff 91 Comment
  SJSU10143  Quercus chrysolepis A. W. Jacobs 1936-9-4 Placer E side of narrow gulch 1 mi NE of Colfax 762 Comment
  UCD45541  Quercus chrysolepis P. Akers 2002-4-14 s.n. Placer Ponderosa Way, S of Weimar. Comment
  NY8503  Quercus chrysolepis J. C. Frémont 1845-12-5 s.n. Placer Sierra Nevada Comment
  CAS-BOT-BC86612  Quercus douglasii Alice Eastwood 1894-9-1 s.n. Placer Newcastle Comment
  CDA20381  Quercus douglasii P. Akers 2002-4-14 s.n. Placer Northern California; E end of Clarke Tunnel Rd, N of Penryn. 0 Comment
  SACT002126  Quercus douglasii Josephine Van Ess 1978-9-8 Placer collected near top of ridge; dry hillside; small tree, atypical leaves with spring lobes, typical rough gray bark 176.8 Comment
  CDA16973  Quercus durata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16026 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UC1135561  Quercus durata N. French 1933-10-17 106 Placer Todd Valley Placerville National Forest, Placerville Quad. 762 Comment
  CAS-BOT-BC105306  Quercus kelloggii Frances Price 1919-1 s.n. Placer Placerville - L. Tahoe Road Comment
  POM106364  Quercus kelloggii Marcus E. Jones 1882-6-30 2871 Placer Emigrant Gap. Comment
  UC119102  Quercus kelloggii A. Eastwood 1894-9-9 Placer Newcastle Comment
  UC5620  Quercus kelloggii A. Eastwood 1894-9-9 Placer Newcastle Comment
  SACT002661  Quercus lobata Josephine Van Ess 1977-11-4 Placer Collected downstream from bridge on HIghway 49. Large tree near river. 365.8 Comment
Read comments
Nov 20 2014
  CDA15823  Quercus vacciniifolia G. F. Hrusa, L. Serafini 1993-6-29 11248 Placer S side of French Meadows Reservoir immeditely below dam. Comment
  SACT002707  Quercus vacciniifolia Michael Baad 1977-6-2 Placer Collected at trail head descending to North Fork of American River from south. 2 km northeast of Westville and north of Forest Hill Divide Road 853.0 Comment
  SACT002711  Quercus vacciniifolia James Grove 1977-7-15 Placer 2000.0 Comment
  CAS-BOT-BC104989  Quercus wislizeni Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  HSC27258  Quercus wislizeni J. P. Smith 1972-3-22 5090 Placer Bridge over N Fork of American River. Comment
  UCD47631  Quercus wislizeni Gordon H. True 1971-4-21 6529 Placer Auburn Ravine just west of Lincoln, Placer County. 49 Comment
  SEINET10437815  Quercus wislizeni W. D. Billings 1939-3-19 1192 Placer 2 miles N of Auburn. Comment
  UCSB32122  Quercus wislizeni var. wislizeni Pulsifer Ames, Mary; Bingham, R. Placer Auburn Comment
  CAS-BOT-BC362682  Raillardella argentea L. S. Smith 1925-7-15 1682 Placer Tahoe National Forest. French Mdws. near Talbot Camp 1828 Comment
  UCD22191  Ranunculus alismifolius Rex Palmer 1979-6-20 N 346 Placer Headwaters basin area of the North Fork of the American River Comment
  UC634986  Ranunculus alismifolius var. alismifolius H. L. Mason 1933-5-28 7238 Placer Lower Truckee River Comment
  CAS-BOT-BC379383  Ranunculus alismifolius var. hartwegii Lewis S. Rose 1940-6-2 40463 Placer Truckee River, 10 mi N of Tahoe City 1829 Comment
  CAS-BOT-BC379384  Ranunculus alismifolius var. hartwegii John Thomas Howell 1943-7-21 18652 Placer Donner Pass to Mt. Lincoln Comment
  CAS-BOT-BC379389  Ranunculus alismifolius var. hartwegii Mrs. Jos. Clemens 1920-4-13 7002 Placer Crescent Mills Comment
  CAS-BOT-BC379393  Ranunculus alismifolius var. hartwegii Anna Head 1921-6-26 s.n. Placer Feather River Region, Gold Lake Comment
  CAS-BOT-BC379394  Ranunculus alismifolius var. hartwegii Alice Eastwood 1909-1-1 130 Placer Ward Creek Comment
  CAS-BOT-BC378965  Ranunculus bonariensis Sterling Bunnell 1978-5-14 s.n. Placer Roseville, 0.5 mi N of Western Electric Plant on Industrial Blvd. Comment
  RSA0042967  Ranunculus californicus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20352 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UC1101373  Ranunculus flammula Malcolm A. Nobs and S. Galen Smith 1949-8-21 1511 Placer marsh between Sandy Beach and Agate Bay (n end of Lake); Lake Tahoe Comment
  SD237580  Ranunculus hystriculus G. K. Helmkamp, E. A. Helmkamp 2009-5-7 14630 Placer Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill (Michigan Bluff 7.5'Q) 771 Comment
  UC1607879  Ranunculus muricatus C. G. Nast 1936-4-12 127 Placer Auburn Comment
  UCR197991  Ranunculus muricatus Beecher Crampton 1953-4-21 1117 Placer Sacramento Valley, Sunnybrook Farms, 2 mi north of Lincoln 41 Comment
  CHSC73190  Ranunculus occidentalis L. P. Janeway 1998-8-6 5983 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  SD239890  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18956 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road 1.7 miles north of its junction with Forest Hill Road (Foresthill 7.5'Q) 1041 Comment
  UC147650  Ranunculus occidentalis Harriet A. Walker 1908-6-24 1284 Placer Blue Canyon 1432 Comment
  UC827913  Ranunculus occidentalis C. L. Hitchcock 1940-5-7 6312 Placer ca 1 mi w Baxter Comment
  UCR208589  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2009-5-11 14665 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 2.7 miles south of its junction with Forest Hill Road. c. 0.15 mi. NNW of site of Michigan Bluff 1101 Comment
  UCR257018  Ranunculus occidentalis George K. Helmkamp, Amy Barnes 2014-4-23 22788 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  UCSB22651  Ranunculus occidentalis Orr, K. 1966-4-5 Placer Along Goldrun Rd., 1.2 mile northeast of Interstate 80, Sierra Nevada foothills 1066 Comment
  JEPS127531  Ranunculus occidentalis var. ultramontanus Steve Matson 1998-6-14 237 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dirt road extension of Tiger Ave., under power lines. Comment
  POM100033  Ranunculus occidentalis var. ultramontanus Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  POM281582  Ranunculus occidentalis var. ultramontanus Allen M. Carpenter 1892-1 s.n. Placer [Unspecified] Comment
  UCD115182  Raphanus sativus G. K. Helmkamp; E. A. Helmkamp 2006-2-9 10062 Placer Northern Central Valley, Clark Tunnel Road and CA Highway 193, East of Lincoln. 113 Comment
  CAS-BOT-BC59532  Rhamnus alnifolia Gordon H. True 1973-5-27 7499 Placer West bank of Truckee River at Deer Creek ca. 6 miles south of Truckee and 1 mile north of Squaw Valley 1841 Comment
  CAS-BOT-BC59533  Rhamnus alnifolia Gordon H. True 1973-5-27 7498 Placer Deer Creek ca. 6 mi. S. of Truckee & 1 mi. north of Squaw Valley 1889 Comment
  JEPS41947  Rhamnus alnifolia C. F. Sonne 1886-6 44 Placer road to Tahoe; Sierra Nevada Mountains, road to Tahoe Comment
  UC662428  Rhamnus alnifolia James B. Roof, Irja Knight 1941-9-5 Placer 8 mi s Truckee (on State Highway 89, Silver Creek, a perennial tributary of the Truckee River); Truckee River, Silver Creek 1828 Comment
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Sep 3 2008
  SEINET13946287 Image available Rhamnus californica W. A. Weber, Lewis S. Rose 1953-1 8400 Placer 4 mi N of Auburn, 1600 ft alt. 488 Comment
  POM85013  Rhamnus purshiana Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UC1121923  Rhamnus rubra N. French 1933-5-19 61 Placer near Iowa Hill; Colfax Quad. 822 Comment
  CDA15825  Rhamnus rubra subsp. rubra G. F. Hrusa, L. Serafini 1993-6-29 11261 Placer Duncan Creek approx. 5 meters upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of French Meadows Reservoir. Comment
  CDA20996  Rhamnus tomentella subsp. tomentella G. F. Hrusa 1993-11-3 11466 Placer Sierra Nevada; Mosquito Ridge Rd. approx. 12 miles E of Foresthill. 1066 Comment
  UC870861  Rhamnus tomentella subsp. tomentella A. A. Heller 1917-6-16 12680 Placer near Dutch Flat 914 Comment
  CAS-BOT-BC58189  Rhododendron columbianum Frances Price 1919-1-1 s.n. Placer Tahoe. Comment
  CAS-BOT-BC108695  Ribes cereum Margaret Williams 1974-8-8 74 -P1-8 Placer Sierra Nevada. Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  UC858420  Ribes cereum Lewis S. Rose 1940-6-1 40448 Placer 3 mi nw Tahoe City; Truckee River 1889 Comment
  UC857958  Ribes inerme var. inerme A. A. Heller 1917-6-17 12718 Placer below Cisco (along river); Yuba River 1676 Comment
  CAS-BOT-BC173311  Ribes lasianthum Alice Eastwood 1912-6-15 399 Placer Deer Park, Lake Tahoe Region Comment
  RSA0022891  Ribes nevadense J. H. Nishida 1985-7-10 778 Placer Homewood. 1829 Comment
  OBI39808  Ribes roezlii Joy H. Nishida 1985-7-10 777 Placer Homewood 1829 Comment
  UC566286  Ribes roezlii B. Bolt 1934-7-17 141 Placer 1/2 mi s Lost Emigrant Mine; Truckee Quadrangle 2072 Comment
  UCD22339  Ribes roezlii Beth Lowe Corbin 1982-8-2 151 Placer Onion Creek campground. In fine, sandy, granitic soil. Spiney shrub about 1.5' high with dark grey bark. Berries picked green. Partial sun. South facing slope. Uncommon. 1841 Comment
  CAS-BOT-BC186203  Ribes roezlii var. roezlii W. R. Dudley 1893-6-11 s.n. Placer Along railroad west of Truckee Comment
  CAS-BOT-BC186204  Ribes roezlii var. roezlii Geo. B. Grant 1906-7-15 s.n. Placer About Lake Tahoe 2438 Comment
  CAS-BOT-BC186211  Ribes roezlii var. roezlii John H. Thomas 1970-7-21 15680 Placer Indian Springs, near highway no. 80, about 20 miles east of Truckee 1700 Comment
  JEPS59417  Ribes velutinum Ezra Brainerd and Viola B. Baird 1915-7-15 136 Placer Five Lakes Sierra Nevada Mts. 2298 Comment
  CAS-BOT-BC168775  Ribes viscosissimum Julia McDonald 1914-6-1 s.n. Placer Homewood Comment
  UC35862  Rigiopappus leptocladus H. N. Bolander 1865-1 4569 Placer Newcastle Comment
  UC35869  Rigiopappus leptocladus H. N. Bolander 1865-1 4569 Placer Newcastle Comment
  CAS-BOT-BC74618  Rorippa curvisiliqua A. A. Heller 1917-6-19 12738 Placer Emigrant Gap. 1615 Comment
  CAS-BOT-BC74619  Rorippa curvisiliqua A. A. Heller 1917-6-19 12738 Placer Emigrant Gap. 1615 Comment
  CHSC73937  Rorippa curvisiliqua Susi Urie 1998-8-19 98 -079 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC82580  Rorippa curvisiliqua var. orientalis Lowell Ahart 2002-7-22 9882 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  UC170073  Rorippa palustris Miss Helen D. Geis 1912-6 198 Placer Truckee River at lake outlet Comment
  UC856811  Rorippa tenerrima A. A. Heller 1917-6-19 12738 Placer Emigrant Gap 1615 Comment
  POM89568  Rosa bridgesii Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UCR215976  Rosa bridgesii George K. Helmkamp, Amy Barnes 2009-7-12 15176 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  UCD113771  Rubus armeniacus G. L. Stebbins Jr. 1952-6-22 5094 Placer 2 miles southeast of Colfax. Abundant along American River, north of bridge on road to Iowa Hill. 350 Comment
  UCD17679  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 88 Placer California. Placer County: on Placer Road in Auburn. Follow to bottom near new highway cut. Off Grass Valley Highway. Comment
  SD243197  Rubus laciniatus George K. Helmkamp, E. A. Helmkamp 2010-8-11 16752 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek. 1085 Comment
  CAS-BOT-BC147966  Rubus parviflorus Robert M. Rhode; Barbara Nemeth 1997-6-26 176 Placer Blackwood Creek Canyon, c. 4 miles south of Tahoe City, near Blackwood Creek Canyon road, about 0.3 mile west of turnoff from Highway 89 - Lake Tahoe 1981 Comment
  JEPS127541  Rubus parviflorus Steve Matson 1999-7-2 425 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork of Snow Creek above the spring. Comment
  CAS-BOT-BC158731  Rubus ursinus Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4022 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  UCD17694  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 21 B Placer California. Placer County: Placer Road in Auburn. Follow to bottom near new highway cut. Off Grass Valley Highway. Comment
  UCD17695  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 20 Placer California. Placer County: corner of Grass Valley Highway and Sawyer Court in Auburn. Comment
  UCD100984  Rumex acetosella Amelie Blyth 1952-5-11 9- 2 Placer At junction of north fork and middle fork of American River, near Auburn. Comment
  CAS-BOT-BC433649  Rumex obtusifolius W. R. Dudley 1909-8-12 s.n. Placer Canon [Canyon] Creek Comment
  CHSC72883  Rumex salicifolius var. triangulivalvis L. P. Janeway; Eric Schroder 1998-7-13 5748 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  JEPS39859  Rumex salicifolius var. triangulivalvis W. H. Shockley Jul 1886 Placer Auburn Comment
  UCR120717  Sagina saginoides George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5060 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  CAS-BOT-BC267083  Sagittaria Brighton C. Cain 1925-8-15 6 Placer 2 miles S of Auburn at Wise Power House Comment
  CHSC74712  Sagittaria cuneata Susi Uri 1998-8-26 98 -112 Placer Lake Tahoe Basin Management Unit - National Forest. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  SEINET5335636  Sagittaria latifolia R. D. Olsen 1949-5-14 15 Placer stream crossing, U.S. highway 40, Roseville city limit 61 Comment
  UC935787  Sagittaria latifolia Malcolm A. Nobs 1948-9-25 690 -B Placer n side Auburn (growing in a smalls stream); n side of Auburn Comment
  SCFS11529143  Salix E. Krimmel, F. Felix 2012-9-13 Placer Intersection of Serena Creek and NFAm River. Comment
  CAS-BOT-BC103605  Salix eastwoodiae W. R. Dudley 1900-6-14 5056 Placer Road from Donner Lake to Summit Comment
  SCFS1045  Salix eastwoodiae E. Krimmel 2014-8-7 Placer Shore of Needle Lake Comment
  UC1729893  Salix eastwoodiae L. P. Janeway, Eric Schroder 1998-9-16 6324 Placer about 3.7 mi sw of Lake Tahoe (western border of Lily Lake, head of McKinney Creek, Homewood Quadrangle); Lily Lake, McKinney Creek 2164 Comment
  CAS-BOT-BC103755  Salix exigua Gordon H. True 1963-5-15 1249 Placer Near Penryn 152 Comment
  CAS-BOT-BC103986  Salix geyeriana Mary P. Wells 1980-9-11 s.n. Placer Alpine Meadows near Bear Creek opposite stable 1950 Comment
  JEPS127554  Salix geyeriana Steve Matson 1998-9-1 395 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/ Kings Beach; middle fork Snow Creek; north end of main pond meadow Comment
  UCD44528  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1894 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC107851  Salix gooddingii Gordon H. True 1968-7-30 4455 Placer Just east of Rocklin, on Rocklin Road 76 Comment
  CAS-BOT-BC108210  Salix hindsiana Gordon H. True 1971-4-21 6527 Placer Auburn Ravine just west of Lincoln 49 Comment
  UC437388  Salix laevigata Francis Ramaley 1917-1 11143 Placer Auburn Comment
  UCD80748  Salix laevigata CNPS SN Foothill Team 2005-4-14 SNFN 0109 Placer Placer Legacy, Didion Ranch, along south fork of Coon Creek, accessed from east end of study area off of Mears Road. Releve situated on north bank of creek approximately 50 meters east of access road. 224 Comment
  CDA39562  Salix laevigata H. H. Keifer 1956-7-14 s.n. Placer Rocklin. 0 Comment
  UCD43159  Salix lasiandra C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 527 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC125290  Salix lasiandra var. lasiandra 1931-8-28 2630 Placer Tahoe National Forest Comment
  CAS-BOT-BC125297  Salix lasiandra var. lasiandra A. A. Heller 1917-6-17 12720 Placer Along the Yuba River below Cisco 1676 Comment
  JEPS13055  Salix lasiandra var. lasiandra Leland S. Smith 1931-8-28 2630 Placer below Chalk Bluff crossing; Tahoe, Middle Fork American River Comment
  CHSC13915  Salix lasiolepis E. L. Smith 1971-6-16 957 Placer Corner of Deer and Golden Sts. Next to Golden Deer Motel at King's Beach. Comment
  RSA0115437  Salix lasiolepis George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22533 Placer Sierra Nevada Mountains Foothills: North Auburn, corner of Bell Road and Olympic Way, 0.7 mi. west of CA-49. 433 Comment
  CAS-BOT-BC107383  Salix lasiolepis var. lasiolepis Alice Eastwood 1922-4-6 s.n. Placer Colfax Comment
  CAS-BOT-BC124762  Salix lemmonii W. R. Dudley 1900-6-14 5079 Placer Grade between Donner Lake and Summit Comment
  CAS-BOT-BC124773  Salix lemmonii W. R. Dudley 1900-6-14 5111 Placer Valley northwest of Lake Mary, near Summit Comment
  CAS-BOT-BC124774  Salix lemmonii W. R. Dudley 1900-6-14 5069 Placer Between Donner Lake and Summit Comment
  CAS-BOT-BC124779  Salix lemmonii W. R. Dudley 1900-6-14 5024 Placer Shore of Donner Lake Comment
  CHSC74266  Salix lemmonii Susi Urie 1998-9-3 98 -229 Placer Lake Tahoe Basin--National Forest. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  UCD43316  Salix lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 684 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43891  Salix lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1257 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC129516  Salix melanopsis W. R. Dudley 1900-6-1 5526 Placer Lake shore above McKinney Comment
  UCD22319  Salix orestera Rex Palmer 1979-6-21 N 412 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC129077  Salix scouleriana W. R. Dudley 1900-6-14 5074 Placer Road overlooking Donner Lake Comment
  CAS-BOT-BC129082  Salix scouleriana W. R. Dudley 1900-6-1 5532 Placer Above McKinney's near Maddens Cr. Comment
  SD43607  Salix scouleriana Darley F. Howe 1948-5-22 Placer Placer County 1219 Comment
  UC1135094  Salix scouleriana N. French 1934-5-31 380 Placer 1/2 mi. e. Texas Hill; Tahoe Nat'l Forest, Colfax Quad. Comment
  UC846454  Salix scouleriana Marcus E. Jones, A. M. 1882-7-1 3488 Placer Emigrant Gap Comment
  UC1119902  Sambucus mexicana B. Bolt 1934-7-17 134 Placer 3/4 mi n Robertson Flat; Tahoe National Forest, Colfax Quadrangle Comment
  UCR229555  Sambucus mexicana George K. Helmkamp, E. A. Helmkamp 2011-7-26 17902 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  SD241173  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2011-7-9 17673 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 1.4 miles northwest of the city of Foresthill (Foresthill 7.5'Q) 764 Comment
  SD247498  Sanguisorba minor subsp. muricata George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20802 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road (Foresthill 7.5'Q) 768 Comment
  UCR194937  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2007-5-18 12016 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UC1562643  Sanicula bipinnatifida Barbara Ertter with David Thompson 1989-4-8 8164 Placer 2 mi from I-80 near entrance to Auburn State Recreation Area (Iowa Creek Road); Iowa Creek Road 518 Comment
  UC420483  Sanicula bipinnatifida C. F. Sonne 1891-5-17 1465 Placer Colfax Comment
  UCR235488  Sanicula bipinnatifida George K. Helmkamp, E. A. Helmkamp 2012-5-5 18933 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  UCD15164  Sanicula crassicaulis Phyllis Adams 1982-5-30 56 Placer California, Placer Co.; in the American River Canyon; Comment
  UCD15165  Sanicula crassicaulis Phyllis Adams 1982-4-20 6 Placer California, Placer Co.; near the town of Auburn, in the American River Canyon; 457 Comment
  UC1022500  Sanicula crassicaulis C. Ritchie Bell 1952-4-19 3 X417-3 Placer 1.6 mi n of the Placer-El Dorado County Line (above California Hwy 49) Comment
  UC174164  Sanicula graveolens C. F. Sonne 1886-6-6 Placer Sierra Nevada Mountains, road to Tahoe Sierra Nevada Mountains Comment
  POM141734  Saxifraga bryophora C. F. Sonne 1897-7-18 s.n. Placer [Above ?], Truckee. Comment
  SEINET12220593  Saxifraga bryophora C. F. Sonne 1884-1 89 Placer above Coldstraw Comment
  JEPS43799  Saxifraga californica C. F. Sonne 1891-4-5 Placer near Newcastle Comment
  POM260084  Saxifraga californica C. L. Hitchcock 1940-5-7 6345 Placer 1 mile west of Baxter Comment
  CAS-BOT-BC436889  Saxifraga mertensiana Marcus E. Jones 1882-7-1 3588 Placer Emigrant Gap Comment
  POM142236  Saxifraga nidifica C. F. Sonne 1892-07 5597 Placer Above Donner Lake. Truckee. Comment
  POM90720  Saxifraga tolmiei C. F. Sonne 1885-8-23 s.n. Placer Tinker Knob. 2896 Comment
  CDA36899  Scandix pecten-veneris CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  SD240826  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2010-4-17 15876 Placer Foothills, Northern Sierra Nevada Mountains: Rattlesnake Bar Road, 1.9 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 313 Comment
  SD240827  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2012-3-31 18664 Placer Northern Sierra Nevada Mountains Foothills: Old Foresthill Road, 0.7 mile northeast of its junction with CA-49 and the American River Crossing (Auburn 7.5'Q) 257 Comment
  SFV8582  Scandix pecten-veneris K. Zancai 1972-5-13 46 Placer Crother Road, 4 miles north of U. S. Interstate Highway 80. Along roadside in moist, shaded area near spring. Comment
  CAS-BOT-BC35624  Scirpus congdonii John Thomas Howell 1943-7-22 18700 Placer Summit Valley Comment
  UCD42859  Scirpus congdonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 226 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC110999  Scirpus microcarpus W. R. Dudley 1901-8-16 s.n. Placer Island below falls, Monte Vista, Dutch Flat Comment
  SEINET9237809  Scirpus microcarpus W. D. Billings 1951-7-28 2136 Placer Tallbot Home Camp, Middle Fork American River. 1676 Comment
  UC1100817  Scirpus pungens Malcolm A. Nobs, S. Galen Smith 1949-8-22 1545 Placer at sw city limits Roseville (marshy stream) Comment
  CAS-BOT-BC243506  Scribneria bolanderi G. L. Stebbins 1978-5-28 7896 Placer East end of Ralston Ridge 1554 Comment
  SEINET238355 Image available Scribneria bolanderi Beecher Crampton 1953-4-21 1116 Placer 2 miles north of Lincoln, Sunnybrook Farms. Comment
  UCD32554  Scribneria bolanderi Beecher Crampton 1954-5-14 1901 Placer Placer County, 2 miles northwest of Roseville, Diamond K Ranch. Comment
  JEPS62899  Scutellaria californica Leland S. Smith 1925-7-14 1670 Placer Middle Fork American River, French Meadows Middle Fork American River; Tahoe National Forest, , French Me Comment
  UCD125715  Scutellaria californica C. J. W. 1913-6-26 120 Placer Colfax. Comment
  SACT002075  Secale cereale D. Meyer 1983-10-22 Placer Searchlight ski run from base up to Olympic Lady chairlift. 2121.0 Comment
  JEPS111315  Sedum lanceolatum Steve Matson 2005-7-30 1425 Placer Squaw Valley ski area, about 1.6 km SSW of High Camp (top of tramway), north side of ridge high point facing large rocky pinnacle (south of Emigrant Pass) 39.1885 N, 120.2775 W; elevation 8,700 ft. 2651 Comment
  RSA0029340  Sedum lanceolatum John F. Emmel 1991-7-23 1190 Placer Sierra Nevada, Donner Pass area: along Pacific Crest Trail south above Donner Pass, on slope ca. 0.3 air mi east of Lake Mary. 2226 Comment
  JEPS124761 Image available Sedum obtusatum Stamps 1967-7-12 56 Placer High in a crevice on a granite cliff, about 100 yards north of Highway 40. 2.5 mi west of Kingvale. Comment
  JEPS72358  Sedum rosea subsp. integrifolium Gladys L. Smith 1972-6-18 3152 Placer volcanic cliff above Alpine Meadows; volcanic cliff above Alpine Meadows 2133 Comment
  JEPS72366  Sedum spathulifolium Gladys L. Smith 1972-6-20 3271 Placer lower flanks Ward Peak in Sherwood Forest; lower flanks Ward Peak in Sherwood Forest 2286 Comment
  CAS-BOT-BC69719  Selaginella wallacei G. L. Stebbins 1970-7-12 7052 Placer Bear River canyon, 2 mi. n. of Alta. 1097 Comment
  UCD21787  Senecio Rex Palmer 1979-5-27 N 111 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC363364  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer Ca. 1 mile west of Baxter Comment
  UC829681  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer ca 1.0 mi w Baxter Comment
  UCD18324  Senecio aronicoides A. M. Shapiro 2001-5-12 s.n. Placer near Dutch Flat. 914 Comment
  CDA19492  Senecio flaccidus var. douglasii M. I. Wibawa 2002-5-27 263 Placer Sacramento Valley; Folsom Lake State Recreation Area. 121 Comment
  UC2042507  Senecio integerrimus var. exaltatus Holly Forbes, Barbara Keller, and T. Tomashek 2012-6-12 Placer Blackwood Canyon Rd., 0.2 mi. W of junction with Highway 89. Comment
  SJSU5628  Senecio integerrimus var. exaltatus N. D. Addy 1962-7-7 163 Placer soil by Hwy 50, 3 mi NE of Echo summit 1981 Comment
  HSC35040  Senecio integerrimus var. major Thomas W. Nelson, James Nelson 1974-6-17 1364 Placer Beside Hwy. 80 at its intersection with Blue Canyon Rd., 9 mi. W of the Placer-Nevada County line 1646 Comment
  UCD21786  Senecio integerrimus var. major Beth Lowe Corbin 1982-8-9 277 Placer 1/4 mile SW of Onion Creek campground. In fine, sandy soil. Opening in White Fir forest. Biennial. Ray and disc flowers withered, apparently yellow. Full sun. South facing slope, 10% incline. Uncommon. 30 Comment
  CDA13679  Senecio serra var. serra G. F. Hrusa, J. Glazner 1997-8-3 14039 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd., along Squaw Valley Rd. Comment
  UC492744  Senecio triangularis G. W. Fetters 1929-7-10 Placer near Pomin's (Lake Tahoe); , Pomin's Comment
  UCD42818  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 184 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD34028  Sericocarpus oregonensis subsp. californicus Beecher Crampton 1975-9-9 9280 Placer Gold Run rest area on Hwy. 80. 914 Comment
  CAS-BOT-BC364758  Sericocarpus oregonensis subsp. californicus L. R. Abrams 1917-9-15 6762 Placer Near Dutch Flat Comment
  UC88051  Sericocarpus oregonensis subsp. oregonensis Katharine Brandegee 1889-1-1 Placer Blue Canon Comment
  SACT002089  Setaria glauca D. Meyer 1984-7-9 Placer Pear and plum orchard. 206.0 Comment
  CAS-BOT-BC243549  Setaria parviflora David D. Keck 1932-7-1 1596 Placer 2 miles N. of Auburn on Nevada City Road 426 Comment
  UCR259867  Setaria parviflora George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22470 Placer Sacramento Valley, West Wise Road just east of the junction with California Lane, north of Lincoln 56 Comment
  CAS-BOT-BC240201  Setaria viridis G. D. Barbe 1974-11-26 1985 Placer Fence line along Barton Road at Eureka Road, northwest corner, east of Roseville Comment
  UCD55219  Setaria viridis A. M. Shapiro 2006-8-1 s.n. Placer Colfax; waste ground near railroad tracks. Comment
  RSA252691  Setaria viridis var. major G. D. Barbe 1974-11-26 1985 Placer Fence line along Barton Road at Eureka Road, Northwest corner, East of Roseville Comment
  UC128214  Sidalcea glaucescens Miss Harriet A. Walker 1908-7-25 1388 Placer Cisco 1810 Comment
  UC750673  Sidalcea glaucescens Lewis S. Rose 1941-7-14 41314 Placer Homewood , Homewood (Lake Tahoe) 1920 Comment
  UCR233458  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2011-8-26 18182 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  SEINET11992697  Sidalcea glaucescens J. H. Nishida 1985-1 791 Placer Homewood 1829 Comment
  UC718219  Sidalcea hartwegii Carl B. Wolf 1937-5-12 8620 Placer 1 mi n Lincoln; Sacramento Valley, n of Lincoln 45 Comment
  UC871458  Sidalcea hartwegii C. L. Hitchcock 1940-5-15 6404 Placer 6 mi n Colfax; n of Colfax Comment
  UCR201518  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2008-8-20 14017 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  SCFS1161  Sidalcea oregana E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Cedar's Meadow. Comment
  UCD22087  Sidalcea oregana Rex Palmer 1979-6-21 N 393 Placer Headwaters basin area of the North Fork of the American River Comment
  LA83273  Sidalcea oregana subsp. spicata O. H. Kappler; 1946-7-18 1318 Placer Lake Tahoe, NW shore 1920 Comment
  UC710570  Sidalcea oregana subsp. spicata John Thomas Howell 1943-7-19 18570 Placer Summit Valley Comment
  UCD33730  Sidalcea oregana subsp. spicata Beecher Crampton 1972-7-26 8838 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  UC8424  Silene californica Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC386976  Silene douglasii Lewis S. Rose 1941-7-25 41353 Placer Chambers lodge, (McKinney), Lake Tahoe 1920 Comment
  POM100873  Silene douglasii var. douglasii Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC386895  Silene gallica John Thomas Howell; Gordon H. True 1971-5-26 47620 Placer northern limits of Lincoln 48 Comment
  UCD164612  Silene laciniata subsp. californica Brandi Sorensen 1995-6-1 19 Placer .73 kilometers northwest of Colfax. 671 Comment
  CAS-BOT-BC389370  Silene lemmonii Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap Comment
  CDA11926  Silene lemmonii G. F. Hrusa, J. Dinsdale 1989-5-2 7065 Placer Sierra Nevada; Mosquito Ridge Rd, about 15 miles below Placer Redwood Grove. Comment
  UCR191109  Silene lemmonii George K. Helmkamp, E. A. Helmkamp 2007-6-12 12318 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  JEPS127489  Silene menziesii Steve Matson 2000-6-27 462 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; NNW of west end of golf course. Comment
  CAS-BOT-BC181355  Silene occidentalis F. Almeda 1993-7-25 7303 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass 1920 Comment
  CAS-BOT-BC181368  Silene occidentalis Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap Comment
  UC163941  Silene occidentalis subsp. occidentalis H. M. Hall 1910-6-25 8709 Placer Cisco 1800 Comment
  UC767049  Silene occidentalis subsp. occidentalis R. F. Hoover 1938-7-30 3712 Placer Cisco Comment
  UCR47349  Silene occidentalis subsp. occidentalis H. M. Hall 1910-6-25 8709 Placer Cisco. 1800 Comment
  SD247392  Silene vulgaris George K. Helmkamp, Mary Alice Barnes 2013-5-3 20462 Placer Foothills, northern Sierra Nevada Mountains: southwest edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest hill Road. 974 Comment
  SCFS1025  Sisyrinchium idahoense E. Krimmel 2014-7-5 Placer Meadow below the Cedars. Comment
  UCR152283  Sitanion Beecher Crampton 1957-5-7 3979 Placer 3.2 mi N of city of Roseville, along railroad and US Hwy 99E Comment
  SACT002105  Sitanion hystrix Michael Baad 1983-7-23 Placer Tahoe Airport. Along northeast side of Highway 267. 2100.0 Comment
  SACT002215  Sitanion hystrix D. Meyer 1984-8-26 Placer Top of peak 1660.0 Comment
  SACT002232  Sitanion hystrix D. Meyer 1984-6-17 Placer Southeast of Weimar 545.0 Comment
  SACT002256  Sitanion jubatum Michael Baad 1976-6-3 Placer Descending towards Middle Fork on road from Forest Hill to French Meadows. 1.5 miles east of Forest Hill. 701.0 Comment
  SACT002259  Sitanion jubatum Michael Baad 1977-6-8 Placer 1.3 miles southwest of Volcano Canyon on road between Forest Hill and French Meadows, roadside in serpentine. Comment
  UC615348  Smilacina racemosa Beryl O. Schreiber 1933-7-21 900 Placer creek bank near Mount Ellis Trail above Homewood; Lake Tahoe Comment
  CDA5917  Solanum aviculare J. H. Wilson 1961-8-3 Placer Albert Fanini property, 1145 Liveoak Lane, Auburn. 0 Comment
  CDA5934  Solanum dimidiatum Clark, Margaret Bellue 1945-10-11 Placer Southern Pacific yards, Roseville. 0 Comment
  CDA5939  Solanum dimidiatum K. L. Milam 1968-7-15 Placer Sierra Nevada; 221 Elm Street, Roseville. Comment
  RSA285951  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer sidewalk and street, 221 Elm St., Roseville, Placer Co. Comment
  UC710562  Solanum umbelliferum John Thomas Howell 1943-7-25 18806 Placer w side of Donner Pass near Norden; Donner Pass 2133 Comment
  CAS-BOT-BC365505  Solidago elongata H. M. Hall 1910-7-10 8749 Placer Sierra Nevada Mountains. Cisco 1828 Comment
  CHSC72868  Solidago elongata L. P. Janeway; Eric Schroder 1998-7-13 5747 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  CHSC96473  Soliva sessilis Lowell Ahart; Brian Williams 2007-4-13 13634 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CAS-BOT-BC157304  Sorbus californica A. A. Heller 1909-7-16 9835 Placer Summit 2133 Comment
  UCR259872  Sorghum halepense George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22465 Placer Sacramento Valley, Highway CA-193 (Lincoln-Newcastle Hwy) at the junction with Gold Hill Road, 3.8 miles northwest of US-80 114 Comment
  CDA777  Sparganium emersum subsp. emersum G. D. Barbe 1977-7-2 2285 Placer Along the shore of Martis Creek Lake, Day Use Area south of Truckee-Tahoe Airport. Comment
  NY482325  Spergularia bocconi E. J. Neese 1985-10-1 17298 Placer Gold Run rest stop along I-80 between Sacramento and Reno Comment
  CAS-BOT-BC390110  Spergularia bocconi John Thomas Howell; Gordon H. True 1971-5-26 47645 Placer Northern limits of Lincoln 48 Comment
  JEPS102552  Spergularia rubra Lowell Ahart 2001-10-10 9363 Placer French Meadows Reservoir, near the boat or trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  SEINET5337300  Spergularia villosa S. Brent 1972-10-8 s.n. Placer Auburn, American River. 427 Comment
  UCD43883  Sphenosciadium capitellatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1249 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CDA15824  Spiraea splendens G. F. Hrusa, L. Serafini 1993-6-29 11260 Placer Duncan Creek approx. 100 meters upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of french Meadows Reservoior. Comment
  UCD114068  Spiraea splendens G. F. Hrusa; J. Glazner 2000-9-3 15678 A Placer Sugar Bowl Ridge, immediately to w of proposed Crow's Nest ski run. 2164 Comment
  UCD33392  Sporobolus cryptandrus Beecher Crampton 1967-7-26 8156 Placer 1 mile W of Gold Run on Interstate Hwy. 80. 914 Comment
  UCD93119  Sporobolus cryptandrus Beecher Crampton 1967-7-26 8156 Placer 1 mile W of Gold Run on Interstate Hwy. 80W. 914 Comment
  CHSC74230  Stachys ajugoides var. rigida Susi Urie 1998-9-2 98 218 A Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 2 mi north of Lake Tahoe. 1908 Comment
  HSC4292  Stellaria longipes R. G. Means 1962-6-28 48 Placer N end Lake Tahoe, near Placer County Admin. Bldg. 1921 Comment
  CAS-BOT-BC391173  Stellaria longipes subsp. longipes Geo. B. Grant 1906-7-15 6925 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC391174  Stellaria longipes subsp. longipes Alice Eastwood 1909-1-1 36 Placer Lake Tahoe Region. Sunnyside Comment
  CHSC74082  Stellaria longipes var. longipes Susi Urie 1998-8-13 98 -031 Placer Lake Tahoe Basin--National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UC8661  Stellaria longipes var. longipes Mrs. M. M. Hardy 1893-1 Placer Comment
  UCR208281  Stellaria media George K. Helmkamp, E. A. Helmkamp 2009-5-7 14635 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UCR233397  Stephanomeria lactucina George K. Helmkamp, E. A. Helmkamp 2011-8-26 18176 Placer Northern Sierra Nevada Mountains, Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2061 Comment
  SACT002313  Stipa californica Michael Baad 1983-7-11 Placer 0.1 mile south of intersection. 3.5 air miles southeast of Emigrant Gap. Comment
  UCR209730  Stipa californica George K. Helmkamp, E. A. Helmkamp 2009-8-12 15451 Placer Sierra Nevada Mountains, Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill 2061 Comment
  SACT002346  Stipa elmeri D. Meyer 1984-9-9 Placer Comment
  SACT002363  Stipa lemmonii Michael Baad 1983-6-16 Placer 3.4 miles northeast of junction with Chipmunk Ridge Road on road along South shore of French Meadows Reservoir. Open rocky slope 1879.0 Comment
  RSA790858  Stipa lettermanii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18959 Placer Finning Mill Road, 4 mi north of Forest Hill Road and at the junction with Hollow Logging Road. 1140 Comment
  SEINET10603900  Stipa lettermanii Unknown 1886-1 Anonymous 12889 Placer Summit Station in open places in coarse granite sand, upper limit of the yellow pine belt. 2121 Comment
  CAS-BOT-BC87769  Streptanthus tortuosus F. Almeda 1993-7-24 7264 Placer Sierra Nevada. About 15 miles southeast of Interstate Highway #80 at Soda Springs on the trail to Upper Sheep Valley. 2133 Comment
  CAS-BOT-BC87774  Streptanthus tortuosus John Thomas Howell 1943-7-21 18659 Placer Donner Pass to Mount Lincoln. Comment
  SCFS11529144  Streptanthus tortuosus E. Krimmel, F. Felix 2013-6-2 Placer NFAm top of Foresthill Road, growing in rocks Comment
  SEINET5501001 Image available Streptanthus tortuosus Sally Walker 1982-8-5 Placer Ski area above Tahoe Truckee Rd Comment
  JEPS81209  Styrax officinalis var. redivivus Douglas W. James Jr. 1973-5-27 119 Placer off Mosquito Ridge Road about 2 mi from Forest Hill 853 Comment
  UC630413  Styrax officinalis var. redivivus Annetta Carter 1939-9-30 1485 Placer 2 mi e Auburn (canyon of the North Fork of the American River); canyon of the North Fork of the American River 228 Comment
  RSA21028  Styrax redivivus Carl B. Wolf 1937-9-4 9283 Placer Ssacramento Valley, W of N Fork American River, 8 mi N of Folsom on road to Auburn. 122 Comment
  UCD15153  Styrax redivivus Phyllis Adams 1982-5-9 40 Placer California, Placer Co.; in the American River Canyon along Highway 49; 243 Comment
  UC1119959  Symphoricarpos mollis J. E. Sowder, R. W. Lundh 1933-4-15 Placer Greek Store; Colfax Quad. 670 Comment
  UC1119985  Symphoricarpos mollis B. Bolt 1934-8-15 182 Placer 1 mi sw Goggins; El Dorado National Forest, Colfax Quad. 1676 Comment
  CAS-BOT-BC97856  Symphyotrichum eatonii Fay A. Mac Fadden 1934-8-10 12865 Placer Cisco Comment
  CHSC74197  Symphyotrichum foliaceum var. parryi Susi Urie; Eric Schroder 1998-9-8 98 -295 Placer On north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CAS-BOT-BC98486  Symphyotrichum spathulatum John Thomas Howell 1943-7-25 18817 Placer West side of Donner Pass near Norden 2133 Comment
  CAS-BOT-BC98524  Symphyotrichum spathulatum Mary P. Wells 1980-9-11 s.n. Placer Forest west of Pioneer Way, Tahoe City - Sierra Nevada 1981 Comment
  CAS-BOT-BC98525  Symphyotrichum spathulatum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows - Sierra Nevada 1600 Comment
  UC893297  Symphyotrichum spathulatum A. A. Heller 12888 Placer Summit Station 2121 Comment
  CHSC74203  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-9-4 98 -265 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  SEINET3245760  Symphyotrichum spathulatum var. spathulatum G. K. Helmkamp, E. A. Helmkamp 2007-1 12643 Placer Northern Sierra Nevada Mountains: Donner Pass Road between Donner and Nordan, about 0.2 mile east of the Nevada Co. border 2150 Comment
  SEINET9351775  Symphyotrichum spathulatum var. spathulatum Unknown 2000-7-1 15613 Placer Placer Comment
  UCR111002  Taraxacum officinale George K. Helmkamp, E. A. Helmkamp 1999-6-30 5110 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  JEPS127406  Tauschia hartwegii Steve Matson 2006-4-23 1602 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UC858892  Tellima grandiflora Marcus E. Jones, A. M. 1882-7-1 2710 Placer Emigrant Gap Comment
  POM92090  Tellima grandiflora Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC392403  Thalictrum fendleri Miss. T. V. Raphael 1923-7-6 s.n. Placer Cisco Comment
  CAS-BOT-BC392398  Thalictrum fendleri Geo. B. Grant 1905-7-15 7008 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC392404  Thalictrum fendleri Mary P. Wells 1980-9-12 s.n. Placer Alpine Meadows by Bear Creek across from stable 1950 Comment
  RSA399564  Thalictrum fendleri Unspecified 1931-7-5 s.n. Placer Near Meeks Bay, Lake Tahoe. Comment
  SEINET5338963  Thalictrum fendleri P. B. Kennedy, Samuel Bradford Doten 1901-8-9 422 Placer Talbots Home Camp, 7 mi from French Meadows Comment
  UCD42950  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 319 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD96804  Thalictrum fendleri var. fendleri G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12633 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCR189636  Thalictrum fendleri var. fendleri George K. Helmkamp, E. A. Helmkamp 2007-7-27 12633 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  UCR233461  Thalictrum fendleri var. fendleri George K. Helmkamp, E. A. Helmkamp 2011-8-26 18191 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  UCD137776  Thelypteris nevadensis F. A. MacFadden 1934-8-3 12793 Placer Canyon Creek, Dutch Flat. Comment
  SEINET6627109  Thelypteris nevadensis P. B. Kennedy 1901-8-21 425 Placer Middle Fork of American River Comment
  UC117269  Thysanocarpus radians Mrs. K. Brandegee May, 1884 Placer Roseville Comment
  SEINET12476857  Thysanocarpus radians R. L. Smith 1942-4-3 21 Placer 3 miles E of Roseville. 122 Comment
  RSA779397  Torilis arvensis George K. Helmkamp, Amy Barnes 2009-7-12 15189 Placer along Todd Valley Road, 0.1 mile south of its junction with Foresthill Road, c. 13 air miles NE of Auburn 854 Comment
  UCR173264A  Torilis arvensis George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10427 A Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR216028  Torilis arvensis George K. Helmkamp, Amy Barnes 2009-7-12 15189 Placer Sierra Nevada Mountains Foothills, along Todd Valley Road, 0.1 mile south of its junction with Foresthill Road, c. 13 air miles NE of Auburn 854 Comment
  NY17673  Torreya californica F. A. MacFadden 1934-8-20 s.n. Placer This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1729949  Torreyochloa pallida var. pauciflora L. P. Janeway, Eric Schroder 1998-9-16 6330 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek, Homewood Quadrangle); Homewood Quadrangle 2124 Comment
  UCD43934  Torreyochloa pallida var. pauciflora C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1300 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD117039  Toxicodendron diversilobum J. M. Ogawa 1952-5-8 s.n. Placer North of Loomis. Comment
  SCFS1132  Toxicoscordion venenosum E. Krimmel 2014-4-21 Placer NFAm. 300 ft above the river on the north ridge coming down from Pt. Mariah Comment
  SCFS11529150  Toxicoscordion venenosum E. Krimmel 2014-6-26 Placer In seep beside road at Cedars driveway Comment
  UCD138326  Triantha occidentalis F. H. Bolster 1912-8-31 46 Placer Long Lake Valley. 1981 Comment
  UCD163379  Trichostema lanceolatum Robert E. Preston 2015-5-29 3000 Placer 1.8 mi SE of Sheridan, 0.5 mi E of Old Hwy 65, 0.25 mi N of Yankee Slough. 33 Comment
  SEINET3224367 Image available Trichostema oblongum Marcus E. Jones 1882-6-30 2831 Placer Emigrant Gap. Comment
  UCD22022  Trichostema oblongum Beth Lowe Corbin 1982-8-9 274 Placer 1/4 mile SW of Onion Creek campground. 1859 Comment
  JEPS75138  Trichostema oblongum J. M. Tucker 1975-7-28 4352 Placer 6 air mi S of Soda Springs (Nevada Co.) (100 yds W of the road into The Cedars, private holding on the upper North Fork of the American River) 1798 Comment
  UC147569  Trientalis latifolia Harriet A. Walker 1908-6-23 1223 Placer Blue Canyon 1432 Comment
  JEPS127431  Trifolium cyathiferum Steve Matson 1998-7-28 355 Placer nSNH Tahoe North shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; east of main boggy site on west fork Snow Creek. Comment
  UC146435  Trifolium cyathiferum Miss Harriet A. Walker 1908-7-25 1407 Placer Cisco 1810 Comment
  RSA20896  Trifolium depauperatum Carl B. Wolf 1937-3-30 8359 Placer Sacramento Valley, 2 mi. N of Lincoln. 53 Comment
  SEINET4691681  Trifolium depauperatum var. depauperatum George K. Helmkamp, E. A. Helmkamp 2011-1 17154 Placer Sacramento Valley: along Riosa Road at the east edge of the village of Sheridan. 41 Comment
  UCR231900  Trifolium depauperatum var. depauperatum George K. Helmkamp, E. A. Helmkamp 2011-4-10 17154 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  SEINET13203101 Image available Trifolium dubium George K. Helmkamp, Amy Barnes 2014-1 22781 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River (Auburn 7.5' Q.) 290 Comment
  SEINET3245951  Trifolium dubium G. K. Helmkamp, E. A. Helmkamp 2010-1 15928 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5') 157 Comment
  UCD39210  Trifolium dubium Beecher Crampton 1953-5-26 1341 Placer 2 miles N of Lincoln, Chamberlain Ranch. Comment
  UCR231899  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2011-4-10 17152 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  CDA36890  Trifolium glomeratum CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CDA37058  Trifolium glomeratum CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  RSA782369  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2010-4-23 15907 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  UCD111203  Trifolium hirtum K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, about 10 miles east of Auburn. 500 Comment
  UCD39208  Trifolium hirtum Beecher Crampton 1953-5-26 1338 Placer 2 miles north of Lincoln, Sunnybrook Farm. Comment
  UCR173265  Trifolium hirtum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10428 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR120238  Trifolium hybridum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5059 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  SEINET9260873  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-1 22809 Placer Sierra Nevada Mountains Foothills: Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill (Colfax 7.5' Q) 719 Comment
  UCD111238  Trifolium incarnatum Gregg Riegel 1975-5-16 19 Placer 1/8 mile north of Foresthill-Auburn Road, 8.2 miles west of Foresthill. 701 Comment
  UCR258124  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-3-21 22648 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  UCR258532  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2013-3-28 20233 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  NY802658  Trifolium kingii var. productum H. A. Walker 1910-6-26 1310 Placer Cisco 1811 Comment
  UC80411  Trifolium kingii var. productum Kellogg 1870-6-29 Placer Ciso Comment
  JEPS59433  Trifolium longipes Ezra Brainerd and Viola B. Baird 1915-7-10 153 Placer Deer Park Sierra Nevada Mtns 1920 Comment
  JEPS29496  Trifolium longipes var. hansenii C. F. Sonne June 1886 55 Placer Donner Lake Sierra Nevada (Truckee) Comment
  UC866865  Trifolium macraei Eliz. Parsons Hawver 1913-5-1 Placer Auburn Comment
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Feb 7 2017
  UC1586035  Trifolium microcephalum Barbara Ertter with David Thompson 1989-4-8 8161 Placer ca 2 mi from I-80 (Iowa Creek Rd, near entrance to Auburn State Recreation Area, at creek crossing) Comment
  UC750575  Trifolium microcephalum Lewis S. Rose 1946-6-23 46190 Placer n Cisco (Rainbow) Comment
  UCD109206  Trifolium monanthum R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  UC80329  Trifolium monanthum subsp. parvum Kellogg July 1870 Placer Cisco Comment
  UCD22003  Trifolium monanthum subsp. parvum Beth Lowe Corbin 1982-8-13 343 Placer 1 mile